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This website is operated by PUCKIPUPPY. Throughout the website, the terms "we," "us," and "our" refer to PUCKIPUPPY. PUCKIPUPPY provides you (the user) with this website, including all information, tools, and services provided on the website, subject to your acceptance of all terms, conditions, policies, and notices stated here.
By accessing our website and/or purchasing goods from us, you engage in our "Service" and agree to be bound by the following terms and conditions ("Service Terms," "Terms"), including any additional terms and conditions and policies referenced and/or made available via hyperlink. These Service Terms apply to all users of the website, including but not limited to browsers, vendors, customers, merchants, and/or content contributors.
Please read these Service Terms carefully before accessing or using our website. By accessing or using any part of the website, you agree to be bound by these Service Terms. If you do not agree to all the terms and conditions of this agreement, then you may not access the website or use any services. If these Service Terms are considered an offer, acceptance is expressly limited to these Service Terms.


The Service is only available to individuals who are at least 16 years old or the higher age required by your jurisdiction to use the Service. If you have not reached the legal age to enter into a binding contract in your jurisdiction, you represent that your parents or legal guardians have reviewed and agreed to these terms on your behalf.

Proprietary Rights and Licenses

All logos, trademarks, or registered trademarks, service marks, product or company names of PUCKIPUPPY in the United States and/or other countries/regions are the property of PUCKIPUPPY. Other logos, trademarks, service marks, product or company names mentioned in this document are the property of their respective owners.
All images, illustrations, designs, photographs, video clips, text, icons, research, insights, portfolios, reports, written information, and other materials appearing on this website, as well as all other applications developed for PUCKIPUPPY's products or services (collectively referred to as "Content"), are subject to copyright, trademark, service mark, trade dress, and other intellectual property rights or licenses held by PUCKIPUPPY. Unless otherwise specified in the terms or any additional terms, the use of the Content, trademarks, service marks, trade dress, and copyrighted materials displayed on this website is strictly prohibited. No rights, title, or interest in any downloaded materials are transferred to you as a result of any such downloading. You may not copy, download, reproduce, modify, publish, distribute, transmit, transfer, create derivative works from, or otherwise exploit the Content unless expressly permitted by the terms or additional terms. PUCKIPUPPY and its affiliates and licensors retain full ownership and all intellectual property rights in any Content you download from this website, and reserve all rights not expressly granted herein. Any defined terms, whether in uppercase or other forms, have the meanings assigned to them in the terms.

Account Registration

To access certain website features, you may be provided with or required to register a user account. Certain accounts require internal approval by PUCKIPUPPY, which reserves the right to approve or deny account applications at its sole discretion. If you register or apply for an account, you must provide PUCKIPUPPY with the most current, complete, and accurate information in order to use the website as intended. You are responsible for maintaining the confidentiality of your login information and may not authorize any third party to use such information or your account. You agree to promptly update your account information to keep it complete and accurate. PUCKIPUPPY attributes all use of your account to you, and you are fully responsible for all activities that occur under your account. If you suspect any unauthorized use of your account or any other security breach, you must immediately notify PUCKIPUPPY. Depending on the status of your account or other conditions, your account may not have full access to all website features. You agree not to attempt to access any restricted website features.

Use of the Website and Content

Accessing this website does not grant you authorization to use any name, logo, trademark, or service mark in any way. We only grant you permission to display, download, and print other content in hard copy format for the purpose of using this website as an internal or personal business resource. Without prior written permission from PUCKIPUPPY or the applicable owner, you are not allowed to copy, reproduce, distribute, republish, download, display, electronically or mechanically post, transmit, record, mirror, or photocopy any content. Specifically, you may not:
  1. Modify any copies of the content.
  2. Use any illustrations, photographs, videos, or audio sequences or any graphics separate from the accompanying text.
  3. Remove or alter any copyright, trademark, or other proprietary notices in copies of the content.
  4. Access or use any part of the content or any services or materials provided through this website for purposes other than those granted by these terms or additional terms.
PUCKIPUPPY may grant third parties the right to link another website to this website through URL linking mechanisms provided by PUCKIPUPPY. Any requests for such rights must be made to PUCKIPUPPY in writing. Any changes, modifications, adjustments, or alterations to the linking mechanisms require the prior written approval of PUCKIPUPPY before implementation. If you violate any of these terms or additional terms, the aforementioned permissions will automatically terminate. Any other use of the content on this website, including copying for purposes other than those granted to you, such as any reproduction, modification, distribution, or republication, may constitute a violation of copyright or trademark laws and is strictly prohibited without prior written permission from PUCKIPUPPY.
This website is protected by technical and organizational security measures. If you violate or attempt to violate any security protection measures employed by PUCKIPUPPY through this website or any other means, you may face civil or criminal liability. We will investigate all suspected violations and may participate in or cooperate with law enforcement agencies in prosecuting users involved in such violations. If we determine that you have violated any provisions of these terms or additional terms, we reserve the right to disable your account, username, password, or other identifiers at any time at our sole discretion.

User Content

PUCKIPUPPY does not control any information, content, graphics, text, images, software, sound files, videos, communications, documents, or other materials provided, posted, uploaded, or otherwise submitted to this website by users, and assumes no responsibility. By using the website, you acknowledge, represent, and agree that all user content submitted through your account is voluntarily submitted, not confidential or proprietary, and will not be treated as such by PUCKIPUPPY. You grant PUCKIPUPPY a worldwide, royalty-free, transferable, sublicensable, non-exclusive, perpetual, irrevocable license to make, use, copy, modify, adapt, create derivative works, publicly perform or display, import, broadcast, transmit, distribute, license, publish, translate, offer for sale, sell, rent, lease, or lend copies of your content (and its derivative works), and to publish your name and other information related to your content. PUCKIPUPPY is under no obligation to post user content on the website and may, at its sole discretion, edit, block, refuse to post, or remove any user content, including your content, at any time. You represent and warrant that you have the rights necessary to grant the rights in this section and that your content will not:
  1. Infringe upon the rights of PUCKIPUPPY or any third party.
  2. Violate any agreements with PUCKIPUPPY or any third party.
  3. Violate any applicable laws or regulations.
  4. Contain content that PUCKIPUPPY, in its sole discretion, deems fraudulent, untrue, harassing, defamatory, libelous, abusive, infringing, threatening, obscene, hateful, harmful, or otherwise objectionable.
  5. Cause any harm to PUCKIPUPPY's business, reputation, employees, members, or facilities.
If PUCKIPUPPY suspects any of the above actions, PUCKIPUPPY may take legal action and cooperate with law enforcement authorities in prosecuting the offenders. You are fully responsible for your content as well as any other user content you provide to PUCKIPUPPY or through this website.

Personal Information

When you use or access this website, any personal information you submit through the website is governed by our privacy policy. Please refer to our privacy policy for more information.

Accuracy, Completeness, and Timeliness of Information

We do not assume any responsibility for the accuracy, completeness, or timeliness of the information provided on this website. The materials on this website are intended for general reference only and should not be relied upon or used as the sole basis for making decisions without consulting primary, more accurate, more complete, or more timely sources of information. You assume all risks associated with relying on the materials on this website.
This website may contain certain historical information. Historical information is not necessarily the latest and is provided for your reference only. We reserve the right to modify the content of this website at any time, but we have no obligation to update any information on our website. You agree that it is your responsibility to monitor changes to our website.

Modifications to Services and Prices

The prices of our products are subject to change without notice.
We reserve the right to modify or terminate the services (or any part or content) at any time without notice.
We shall not be liable to you or any third party for any modification, price change, suspension, or termination of services.

Changes to the Terms

PUCKIPUPPY reserves the right to modify these terms at any time. It is your responsibility to check for changes on our website regularly.
PUCKIPUPPY will provide updated terms through the website, send you an email, or notify you of any changes by any other reasonable means. The updated terms will be effective from the specified date indicated therein. If you do not agree to the updated terms, you must terminate your account and stop using the website and content. Your continued use of this website after the effective date constitutes your acceptance of the updated terms.

Third-Party Content

Third-Party Products and Services: You may need to use or access other products or services in order to use this website or its content, such as internet access, devices, or data connections. You are solely responsible for obtaining all third-party products and services and for paying any associated fees. PUCKIPUPPY does not endorse, sponsor, or control any third-party products or services, nor is it responsible for any third-party products or services.
Third-Party Links: The third-party links on this website may direct you to third-party websites that are not affiliated with us. We are not responsible for examining or evaluating the content or accuracy and we do not warrant or have any liability for any third-party materials or websites, or for any other materials, products, or services of third parties.
We shall not be liable for any damages or harm related to the purchase or use of goods, services, resources, content, or any other transactions associated with any third-party websites. Please review the policies and practices of third parties and make sure you understand them before engaging in any transaction. Complaints, claims, concerns, or questions regarding third-party products should be directed to the third party.

User Comments, Feedback, and Other Submissions

If, at our request, you send certain specific submissions (such as contest entries) or, without a request from us, you send creative ideas, suggestions, proposals, plans, or other materials, whether online, by email, by postal mail, or otherwise (collectively, "Comments"), you agree that we may, at any time, without restriction, edit, copy, publish, distribute, translate, and otherwise use in any medium any comments you forward to us. We shall have no obligation: (1) to maintain any comments in confidence; (2) to pay compensation for any comments; or (3) to respond to any comments.
We may, but have no obligation to, monitor, edit or remove content that we determine in our sole discretion to be unlawful, offensive, threatening, libelous, defamatory, pornographic, obscene, or otherwise objectionable or that violates any party's intellectual property or these Terms of Service.
You agree that your comments will not infringe any rights of any third party, including copyright, trademark, privacy, personality, or other personal or proprietary rights. You further agree that your comments will not contain defamatory or otherwise unlawful, abusive, or obscene material, or contain any computer virus or other malware that could in any way affect the operation of the Service or any related website. You may not use a false email address, pretend to be someone other than yourself, or otherwise mislead us or third parties as to the origin of any comments. You are solely responsible for any comments you make and their accuracy. We take no responsibility and assume no liability for any comments posted by you or any third party.

Prohibited Uses

In addition to other prohibitions as set forth in the Terms of Service, you are prohibited from using this website or its content for the following purposes: (a) for any unlawful purpose; (b) to solicit others to perform or participate in any unlawful acts; (c) to violate any international, federal, provincial, or state regulations, rules, laws, or local ordinances; (d) to infringe upon or violate our intellectual property rights or the intellectual property rights of others; (e) to harass, abuse, insult, harm, defame, slander, disparage, intimidate, or discriminate based on gender, sexual orientation, religion, ethnicity, race, age, national origin, or disability; (f) to submit false or misleading information; (g) to upload or transmit viruses or any other type of malicious code that will or may be used in any way that will affect the functionality or operation of the Service or any related website, other websites, or the Internet; (h) to collect or track the personal information of others; (i) to spam, phish, pharm, pretext, spider, crawl, or scrape; (j) for any obscene or immoral purpose; (k) to interfere with or circumvent the security features of the Service or any related website, other websites, or the Internet. We reserve the right to terminate your use of the Service or any related website for violating any of the prohibited uses.


You may terminate your account at any time. However, PUCKIPUPPY is not obligated to refund any prepaid fees associated with your account. PUCKIPUPPY reserves the right to terminate your account, these terms, and/or suspend or terminate this website at any time, with or without prior notice. Any rights or obligations contained in this agreement that by their nature continue to be valid after termination shall remain in effect after termination.


We do not guarantee, represent, or warrant that your use of our services will be uninterrupted, timely, secure, or error-free.
We do not guarantee that the results that may be obtained from the use of the service will be accurate or reliable.
You agree that we may, from time to time, indefinitely remove the service or cancel the service at any time without notice.
You expressly agree that your use or inability to use the service is at your sole risk. The service and all products and services delivered to you through the service (unless we expressly state otherwise) are provided on an "as is" and "as available" basis for your use, without any representation, warranties, or conditions of any kind, either express or implied. This includes any implied warranties or conditions of merchantability, merchantable quality, fitness for a particular purpose, durability, title, and non-infringement.
In no case shall PUCKIPUPPY, our directors, officers, employees, affiliates, agents, contractors, interns, suppliers, service providers, or licensors be liable for any injury, loss, claim, or any direct, indirect, incidental, punitive, special, or consequential damages of any kind, including but not limited to lost profits, lost revenue, savings loss, data loss, replacement costs, or any similar damages, whether based in contract, tort (including negligence), strict liability, or otherwise, arising from your use of any service or any product procured through the service, or for any other claim in any way related to your use of the service or any product, including but not limited to any errors or omissions in any content, or any loss or damage of any kind incurred as a result of the use of the service or any content (or product) posted, transmitted, or otherwise made available via the service, even if advised of their possibility. Because some states or jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, in such states or jurisdictions, our liability shall be limited to the maximum extent permitted by law.


You agree to defend, indemnify, and hold harmless PUCKIPUPPY and its directors, officers, employees, agents, members, partners, suppliers, and licensors from any claims or demands, including reasonable attorneys' fees, made by any third party due to or arising out of your breach of these Terms of Service or the documents they incorporate by reference, or your violation of any law or the rights of a third party.
PUCKIPUPPY reserves the right, at its own expense, to assume the exclusive defense and control of any matter for which you are required to indemnify us, and you agree to cooperate with PUCKIPUPPY's defense of these claims.

Applicable Law

These Terms of Service, as well as any separate agreements whereby we provide services to you, shall be governed by and construed in accordance with the laws of the United States.

Contact Us

For questions regarding the Terms of Service, please contact us at support@puckipuppy.com.


How long will it take for me to receive the electric bike I purchased?

Orders will be processed within 48 hours on business days. Once the order has been shipped, a shipping confirmation email will be sent to your email address. We use FedEx for transportation. Please allow 2-7 business days for the shipment to reach your specified location. Pre-order orders will have the estimated shipping date indicated on the product page. Any delivery dates provided by PUCKIPUPPY are estimated dates.

How much is the shipping fee?

All electric bikes enjoy free shipping service. Our shipping service is only available for addresses within the continental United States, which includes 48 states.

Are taxes required for the order?

State sales tax (and applicable local sales tax) will be required and applied to all orders shipped to the following states: Alabama / District of Columbia / Arizona / Arkansas / California / Colorado / Connecticut / Florida / Georgia / Idaho / Illinois / Indiana / Iowa / Kansas / Kentucky / Louisiana / Maine / Maryland / Massachusetts / Michigan / Minnesota / Mississippi / Missouri / Nebraska / Nevada / New Jersey / New Mexico / New York / North Carolina / North Dakota / Ohio / Oklahoma / Pennsylvania / Rhode Island / South Carolina / South Dakota / Tennessee / Texas / Utah / Vermont / Virginia / Washington / West Virginia / Wisconsin / Wyoming.

Do electric bikes need to be assembled?

Electric bikes arrive partially assembled and require a few additional steps to complete the assembly. Please carefully watch the assembly tutorial or refer to the electric bike user manual for installation instructions. Assembly Tutorial.

How can I track my order?

You can click on "Track" to view your order status.

Can discounts be stacked?

Only one coupon can be used per order, and we do not support coupon stacking. The final interpretation right belongs to PUCKIPUPPY.


What is the most suitable electric bike for me?

You can read the electric bike buying guide or use the model comparison to choose the one that is most suitable for you.

Do I need a driver's license to ride an electric bike on the road?

Click here to learn about the regulations related to electric bikes.

How long does the electric bike battery last?

Under normal usage, your battery can last for 3-4 years.

What preparations do I need to make before cycling?

Please carefully read our electric bike user manual before cycling. If necessary, you can also refer to our blog for cycling safety guidelines.

Maintenance and Troubleshooting

How do I maintain an electric bike?

Like any bicycle, electric bikes require regular maintenance to ensure safety and enjoyable riding. For more information on electric bike maintenance and cleaning, click here.

What should I do if the bike doesn't start?

Please check the cables to ensure they are not loose or disconnected. Simply loosen the black spiral wire cover until the quick disconnect plug is exposed, unplug it, and then reconnect it.

Troubleshooting guide.

1. Brake Malfunction
Check if the brake cables are loose or damaged. If not, consider replacing the brake caliper or brake lever and cable.

2. Assist Sensor Malfunction

Step1: Check if the sensor wires are loose or detached. If not, it may indicate a faulty assist sensor. Step2: Disassemble and replace the assist sensor.

3. Walk Assist Mode Error
Turn off and restart the electric bike (if the issue persists, consider replacing the controller).

4. Real-Time Mode Error
Turn off and restart the electric bike (if the issue persists, consider replacing the controller).

5. Low Voltage Error
Step 1: Remove the battery and check if it has sufficient charge. Step 2: Charge the battery. Step 3: If the issue remains after completing the first two steps, it may indicate a faulty motor. Replace the motor.

6. Motor Malfunction
Check if the motor connection wires are loose, detached, or plugged in incorrectly (if not, it may indicate a faulty motor, consider replacing the motor).

7. Twist Throttle Malfunction
Check if the connection wires are loose or detached (if not, it may indicate a faulty twist throttle, replace the twist throttle).

Brake Pad Replacement Guide

Tools Needed: Needle-nose pliers, hex wrench, replacement brake pads.

1. Removing the Brake Pads

a. Prepare the bike for maintenance. Start by turning off the bike and removing the battery.

b. Locate the brake pads. The brake pads are located inside the brake caliper on each wheel (refer to the photo).

c. Begin by removing the brake caliper. Use a hex wrench to remove the two brake caliper bolts from the bike frame (caution: be careful not to lose or misplace the washers inside the brake caliper bolts).

d. Carefully straighten the retaining pin with needle-nose pliers to remove the brake caliper bolts. Push up on the brake caliper.

e. Remove the old brake pads. Depress the spring plate to release the retaining pins and old brake pads.

2. Installing Brake Pads

a. Install the new brake pads into the brake caliper. Assemble the brake pads in the same configuration as the old ones. The friction material should be facing each other. Ensure that the top holes of each pad align with the retaining pin holes. Slide the new brake pads into the caliper to complete the installation.

b. Replace the brake pad retaining pins. Carefully bend the retaining pins to a 90° angle with needle-nose pliers to secure the brake caliper.

c. Reinstall the caliper. Position the caliper, aligning the mounting holes on the frame with the mounting points on the caliper. Insert the bolts with a hex wrench and tighten them evenly.

d. Before riding, reinstall the battery and test the brakes to ensure proper installation.

Brake Adjustment (Loose/Tight)

Tip: The best way to maintain brakes is to use both brakes simultaneously and engage the rear brake first to avoid excessive front wheel and fork tightening.

Brake adjustment includes:

· Check the wheels to ensure they are securely fastened in the frame dropouts. Improper wheel installation can cause the brake rotor to rub against the brake pads and create noise.

· Inspect the brake rotor for flatness and good condition. Damaged or dirty brake rotors can result in decreased braking performance or noise.

· Center the brake caliper by adjusting its positioning, bringing the inner pad (fixed part of the brake caliper) close to and parallel with the brake rotor. Incorrect brake pad or caliper positioning can lead to decreased braking performance or noise.

· Adjust the brake cable tension and check the brake lever. These final adjustments will help ensure properly adjusted brakes.

Crankset Replacement Guide

Prepare the bike for maintenance. Remove the battery and hold the power button for 10 seconds to discharge any remaining power.

1. Start by removing the left crank arm. Loosen the bolt with a hex wrench, then insert a crank puller tool to remove the crank arm.

2. Follow the same steps for the right-side crank arm, first remove the bolt with a hex wrench, then insert the crank puller tool into the opening.

3. Test the chain after installing the new crankset. The bike needs to be supported on a stand to elevate the rear wheel, and the crank must be rotated backward to rotate the rear wheel. Ensure the chain is properly connected to the chainrings.

PAS Sensor Replacement Guide

PAS Sensor Troubleshooting

1. Crank Removal (Refer to Crank Removal Guide)

a. Locate the PAS sensor behind the left pedal and check for any looseness.

b. If the PAS sensor is not loose, follow the cable from the PAS sensor to the connector.

c. Disconnect the PAS sensor connector and remove the controller.

d. Check for any loose connections between the controller and PAS sensor.

e.Inspect the connector for dirt, damage, or moisture. If there is dirt, damage, or moisture inside the connector, the sensor may need to be replaced.

2. PAS Sensor Replacement

a. Remove the old PAS sensor by disconnecting the cable from the main controller and loosening it.

3. PAS Sensor Installation

a. Install the new sensor, ensuring that the side with an arrow is facing towards the bike.

b. Reinstall the battery and perform a comprehensive test before riding.

Wiring Cable Troubleshooting

The wiring harness connects various electrical components on the bike. If the PUCKIPUPPY product supports indicating performing a wiring harness connector check, follow these steps to ensure the connectors are properly inserted and functioning.

Tools Needed: Hex wrench.

Prepare the bike for maintenance. Remove the battery and hold the power button for 10 seconds to discharge any remaining power. Flip the bike over and place it on the handlebars to prevent damage to the LCD display during maintenance.

1. Locate and remove the controller.

2. Check for loose connections in the wiring harness and reconnect them. When disconnecting the connectors, they must be pulled straight apart without twisting. If the interior looks normal, align the inner notch and pin and press them together directly without twisting.

3. Reinstall the controller following the above steps.

4. Reinstall the battery and perform a thorough test before riding.

Handlebar Grip and Stem Replacement Guide

Tools Needed: Pliers, hex wrench.

1. To remove the handlebars, start by loosening the handlebar clamp bolt.

2. Pry off the handlebar grip and slide it off the handlebars.
To remove the stem: Loosen the side bolts on the stem and then remove the center bolt from the stem. Then pull the stem off the fork.

Odometer Replacement Guide

Tools Needed: Hex wrench.

LCD Display Removal:

1. Prepare the bike for maintenance. Remove the battery and hold the power button for 10 seconds to discharge any remaining power.

2. Disconnect the LCD display connector. Follow the cable from the back of the LCD display to the wiring harness.

3. Pull apart both ends (without twisting) to disconnect the LCD display from the connecting cable.

4. Remove the LCD display. Use a hex wrench to loosen the bolts securing the LCD display, then pull it off the handlebars.

5. Remove the odometer controller. Loosen the clamping bolt with a hex wrench and remove it.

Brake Lever Replacement Guide

1. To remove the brake lever, first loosen the brake cable on the brake caliper.

2. Depress the control lever to expose the internal mechanism, then loosen the brake cable cover on the control lever.

3. Next, disconnect the cable from the brake caliper by pulling it, and loosen the bolt on the lever to remove it.

Brake Rotor Replacement Guide

1. Remove the wheel first, then remove the brake rotor (refer to the wheel replacement guide for assistance).

2. Use a hex wrench to remove the five bolts that secure the brake rotor to the wheel, then simply lift off the brake rotor.

Wheel and Fork Replacement Guide

Fork Removal:

1. Remove the bolt connecting the fork to the rear fork.

Front Wheel Removal:

(Operations similar to the initial installation of the wheel)

1. Flip the bicycle and stabilize it on the handlebars.

2. Use a wrench to loosen the two front wheel bolts on both sides. Locate and loosen the front wheel bolts, then remove them with a wrench.

3. Remove the front wheel. Lift the front wheel gently off the front fork.

Rear Wheel Removal:

1. Flip the bicycle upside down, remove the fork (as mentioned above), and then unscrew the bolt connecting the rear wheel.

2. Cut the tie wrap and disconnect the motor wires.

3. Remove the derailleur and lift the rear wheel. Separate the rear wheel by removing the brake rotor (refer to the brake rotor replacement guide).

Shifter Replacement Guide

1. To remove the shifter, cut off the end of the shifter cable and release it from the derailleur.

2. After removing the brake lever, throttle, and brake lever (refer to the brake lever, throttle, and brake lever replacement guide), unscrew the bolt from below the shifter, then slide it out and remove the shifter cable with the housing.

3. When installing a new shifter, insert the cable into the groove and push it in.

Taillight Replacement Guide

Cut the tie wrap to loosen the connection wires, then pull and remove it. Then unscrew the bolt at the back of the taillight to remove it.

Throttle Replacement Guide

1. To remove the throttle, the handlebar must be removed first (refer to the handlebar replacement guide).

2. Loosen the bolt and disconnect the wires connecting to the throttle. Pull down the throttle from the handlebar to remove it.

Derailleur Replacement Guide

1. Push the derailleur forward to release the chain from the crank.

2. Unscrew the outer chip from the derailleur and release the chain from the derailleur.

3. Unscrew the bolt of the derailleur's jockey wheel.

4. Unscrew the center bolt that connects the derailleur to the bicycle to remove it.

5. After removal, loosen the bolt that secures the derailleur cable and unscrew the derailleur cable from the derailleur.

Installation Guide:

1. When installing, first attach the derailleur to the bicycle.

2. Next, install the middle chip and thread the chain over it.

3. Install the outer chip, aligning the chain over it as shown.

4. Finally, insert the derailleur cable into the derailleur and tighten it.

Headlight Replacement Guide

Unscrew the headlight bolt from the front fender and disconnect the wires to remove the headlight.

Derailleur Adjustment Guide

1. Prepare the bike for maintenance. Remove the battery and hold the power button for 10 seconds to discharge any remaining power.

2. Test the alignment. Rotate the pedals forward while shifting with one hand. When using the derailleur, ensure the chain smoothly moves to each gear. Test by rotating the wheel one or two full turns at a time.

a. The shifter cable tension may be too tight. Loosen the barrel adjuster on the derailleur. Rotate the barrel adjuster on the derailleur half or full turn to loosen it.

b. The derailleur cable may be too loose. Tighten the barrel adjuster on the derailleur. The derailleur barrel adjuster should rotate half to full turn.

3. Switch between all gears to test alignment. Rotate the crank forward with one hand while adjusting the gears. Ensure the derailleur smoothly moves the chain from 1st gear to 7th gear.

4. Reinstall the battery and perform a thorough test before riding.