Serial 1 MOSH/CTY Common Problems and Troubleshooting

The Serial 1 MOSH/CTY is the ultimate urban playbike, a pedal-assist eBicycle designed for trend-setting adults seeking a stylish and flexible way to move around fast-paced urban environments. With its quick, nimble, and powerful features, it’s an absolute ripper on the road.

Serial 1 MOSH/CTY Overview

The MOSH/CTY model features a lightweight, mid-mounted Brose S MAG motor, providing 90Nm/66 ft. lb. torque for a quick launch and conquering challenging hills. It utilizes a smooth and maintenance-free Gate carbon-fiber belt drive and a single-speed freewheel hub for direct rider connection.

The integrated, 529Wh lithium-ion battery offers a real-world range of 35-105 miles, and it can be charged on or off the bike, making it convenient for commuters. The front and rear hydraulic disc brakes ensure confident braking performance in all riding conditions.

The bike’s design features LED lighting for visibility, various ride modes for different terrains, and frame geometry optimized for comfortable riding across all sizes. It’s a true blend of beauty, craftsmanship, and practicality inspired by Harley-Davidson.

Product Details and Features

Motor	The lightweight, mid-mounted Brose S MAG motor features a brushless internal rotor and produces 90Nm/66 ft. lb. torque.
Belt	The Gate carbon-fiber belt drive is smooth, quiet, and maintenance-free.
Hub	MOSH/CTY uses a single-speed freewheel hub for the most direct connection between the rider and the road.
Battery	The MOSH/CTY is equipped with an integrated, 529Wh lithium-ion battery that can be quickly removed from the frame without tools.
Range	The integrated, removable, 529Wh lithium-ion battery delivers a real-world range of 35-105 miles.
Charging	The lithium-ion battery can be charged on-the-bike through a charging port conveniently located on the frame downtube, or easily removed for off-the-bike charging.
Brakes	Front and rear hydraulic disc brakes utilize two-piston calipers and 203 x 1.8mm brake rotors for confident braking performance.
Wheels and Tires	27.5 x 35mm alloy rims laced with stainless-steel spokes and high-volume, 2.8-inch Schwalbe Super Moto-X tires for low rolling resistance and responsive handling.
Lighting	LED headlamp on the handlebar stem and combination LED tail and brake lights integrated into the frame for enhanced visibility.
Ride Modes	Eco, Tour, Sport, and Boost Modes offer different levels of assistance for various conditions.
Sizing	Frame geometry is optimized for each size, ensuring a comfortable riding position across all rider sizes.
Integration	Brake lines and electrical wiring are routed through the frame for protection from the elements and clean, snag-free styling.
Styling	Contemporary design touches like the sleek, integrated battery, elevated chainstays, and mass-centralized motor position.

Specifications

• Product Weight: 48 pounds
• Battery Charge Time: 4.7 hours
• Battery Amperage: 15 ampere hours
• Battery Voltage: 36 volts
• Maximum Operating Range: 105 miles
• Maximum Speed: 20 miles per hour
• Throttle: No
• App Compatible: No
• Passenger Ready: No
• Electric Bike Classification: Class 1
• Bicycle Type: Adults bike
• Color: Black
• Product Name: MOSH/CTY eBike, w/up to 105mi Max Operating Range & 20mph Max Speed
• Brand: Serial 1
• Assembly Required: Yes
• Model Number: 15400396
• Product Width: 27.2 inches
• Product Height: 43.8 inches
• Product Length: 76.4 inches
• Maximum Weight Capacity: 280 pounds
• Bicycle Size: Large
• Wheel Diameter: 27.5 inches
• Wheel Thickness: 2.8 inches
• Battery Chemistry: Lithium-ion

Causes of Common Problems with the Serial 1 MOSH/CTY

This section will address possible problems and solutions with the Serial 1 MOSH/CTY eBike.

1. Battery Not Holding Charge

Description: The battery on your Serial 1 MOSH/CTY eBike is not holding a charge, resulting in reduced range and performance. Cause: Over time, lithium-ion batteries can degrade and lose their capacity to hold a charge, especially if not properly maintained.

Troubleshooting: Ensure that the battery is fully charged before each ride and properly inserted into the frame.

Check for any signs of damage or wear on the battery and charging port. If damaged, consider replacing the battery.

Try charging the battery off the bike to see if it holds a charge better. If it does, there might be an issue with the on-bike charging port.

If the battery still doesn’t hold a charge, contact the manufacturer or an authorized dealer for a battery replacement.

2. Motor Not Providing Assistance

Description: The motor on your MOSH/CTY eBike is not providing any power assistance when pedaling.

Cause: There could be various reasons for this issue, such as a faulty motor controller or a disconnected motor wire.

Troubleshooting: Check the display to ensure you are in one of the pedal-assist modes (Eco, Tour, Sport, or Boost). If not, switch to the desired mode.

Inspect the motor and controller wires for any damage or loose connections. Securely reconnect any disconnected wires.

Restart the eBike by turning it off and then back on. Sometimes, a simple reboot can resolve electronic glitches.

If the motor still does not provide assistance, it may require professional diagnosis and repair. Contact an authorized service center for assistance.

3. Brakes Squeaking or Not Performing Well

Description: The brakes on your MOSH/CTY eBike may produce squeaking noises or not perform optimally, affecting your riding experience and safety.

Cause: Squeaking brakes could be caused by dirty brake pads, worn brake components, or misalignment.

Troubleshooting: Clean the brake pads and rotor with isopropyl alcohol to remove any dirt or debris that might cause squeaking.

Inspect the brake pads and rotors for wear. If they are worn beyond the recommended thickness, replace them with new ones.

Check the brake calipers for proper alignment. Adjust them if necessary to ensure even contact with the rotor.

If the problem persists, consider bleeding the brake lines or seek assistance from a professional bike mechanic for brake maintenance.

4. Inaccurate Battery Range Reading

Description: The battery range displayed on your eBike’s display may not accurately reflect the actual distance you can travel.

Cause: The battery range estimation can be affected by various factors, including riding conditions, terrain, and the level of pedal assistance.

Troubleshooting: Reset the trip meter on the display before each ride to get a more accurate estimation of the remaining range based on your current ride conditions.

Try different pedal-assist modes and observe how they affect the range estimation. Opt for lower assist levels for longer rides.

Keep track of your riding patterns and the actual distance covered to get a better understanding of the eBike’s range under specific conditions.

If you consistently experience significant discrepancies in the battery range reading, consider contacting the manufacturer or dealer for assistance.

5. LED Lighting Malfunction

Description: The LED headlamp or tail lights on your MOSH/CTY eBike may not function properly, impacting visibility during rides.

Cause: LED lighting issues can be caused by loose connections, blown fuses, or damaged wiring.

Troubleshooting: Check the connections and wiring of the LED lights to ensure they are securely attached and not damaged.

Inspect the fuses related to the lighting system and replace any blown fuses.

If the problem persists, consider seeking professional assistance from an authorized service center to diagnose and resolve the lighting issue.

6. Chain Slipping

Description: The chain on your MOSH/CTY eBike may slip or jump off the chainring or rear cog, causing gear shifting issues.

Cause: Chain slipping can be caused by a loose or worn chain, misadjusted derailleur, or damaged chainring or cog teeth.

Troubleshooting: Inspect the chain for signs of wear or damage. Replace the chain if it’s stretched or shows significant wear.

Adjust the derailleur to ensure proper alignment with the chain and prevent chain skipping.

Check the chainring and rear cog for any bent or damaged teeth. If damaged, consider replacing them.

If the problem persists, consult a bike mechanic or the manufacturer for further assistance.

7. Display Not Functioning

Description: The display screen on your eBike may not turn on or show any information, hindering your ability to access ride data.

Cause: Display malfunctions can occur due to loose connections, electrical issues, or a faulty display unit.

Troubleshooting: Check the display connections and ensure they are securely plugged in.

Try turning the eBike off and on again to reset the display.

If the display still does not function, test with a different power source or consider replacing the display unit.

8. Unresponsive Power Assistance

Description: The power assistance on your MOSH/CTY eBike may not respond to pedal input, making it difficult to ride.

Cause: Unresponsive power assistance can be caused by issues with the pedal-assist sensor, motor controller, or wiring.

Troubleshooting: Check the pedal-assist sensor for any obstructions or damage. Clean it and ensure it is properly aligned with the pedal crank.

Inspect the motor controller and wiring for loose connections or damage. Securely reconnect any disconnected wires.

Ensure that the pedal-assist settings are correctly adjusted and try different assist levels to see if the problem persists.

If the issue continues, consult a professional technician or the manufacturer for further assistance.

9. Excessive Noise from the Motor

Description: The motor on your eBike may produce loud or unusual noises during operation.

Cause: Noisy motor operation can be caused by misalignment, worn bearings, or internal motor issues.

Troubleshooting: Check for any loose screws or misalignment of the motor. Tighten any loose components and adjust the motor position if necessary.

Inspect the motor bearings for wear or damage. Replace them if needed.

If the noise persists, the motor might require professional diagnosis and repair. Contact an authorized service center for assistance.

10. Erratic Speed or Power Output

Description: Your MOSH/CTY eBike may exhibit erratic speed or power output, with sudden surges or drops in assistance levels.

Cause: This issue can be caused by a malfunctioning motor controller, throttle, or pedal-assist sensor.

Troubleshooting: Inspect the motor controller and wiring for any loose connections or signs of damage. Reconnect any loose wires.

If your eBike has a throttle, check its operation and ensure it’s not sticking or damaged.

Test the pedal-assist sensor to see if it’s providing consistent and accurate feedback to the motor controller.

If the problem persists, consult a professional technician or the manufacturer for further diagnosis and repair.

11. Loose Handlebar Grips

Description: The handlebar grips on your MOSH/CTY eBike may feel loose or move during rides, affecting your control and comfort.

Cause: Handlebar grips can become loose over time due to normal wear and vibration.

Troubleshooting: Ensure that the handlebar grips are properly installed and securely tightened to the handlebars.

If the grips are worn or damaged, consider replacing them with new ones that offer a snug fit.

You can use grip adhesive or double-sided tape to enhance the grip’s stability on the handlebars.

12. Frequent Tire Punctures

Description: The tires on your MOSH/CTY eBike may suffer from frequent punctures, leading to inconvenience and potential downtime.

Cause: Frequent punctures can be caused by debris on the road, sharp objects, or improper tire pressure.

Troubleshooting: Inspect the tires for embedded objects like glass or nails and remove them carefully.

Ensure that the tires are inflated to the recommended pressure range to minimize the risk of punctures.

Consider upgrading to puncture-resistant tires that offer better protection against sharp objects.

13. Uncomfortable Seat

Description: The seat on your MOSH/CTY eBike may cause discomfort or soreness during extended rides.

Cause: Seat discomfort can be due to improper seat position, inadequate padding, or a seat not suitable for your body type.

Troubleshooting: Adjust the seat height and angle to find a position that provides optimal comfort and support.

If the seat lacks sufficient padding, consider adding a gel cover or replacing it with a more comfortable saddle.

Choose a seat that matches your body type and riding style, as well as one designed for longer rides.

14. Unresponsive Assist Mode Selection

Description: The assist mode selection on your eBike may not respond when trying to switch between different power levels.

Cause: Unresponsiveness in the assist mode selection can be caused by a faulty display, motor controller, or wiring issue.

Troubleshooting: Check the display to see if it responds to other commands. If not, there might be a display or controller issue.

Restart the eBike to see if it resolves any temporary glitches in the assist mode selection.

Inspect the wiring connections related to the assist mode selection for any loose or damaged wires.

If the problem persists, seek professional assistance from an authorized service center for diagnosis and repair.

15. Uneven Battery Drain

Description: Your MOSH/CTY eBike’s battery may drain unevenly, resulting in one cell depleting faster than others.

Cause: Uneven battery drain can be caused by an imbalance in the battery cells, temperature variations, or an aging battery.

Troubleshooting: Charge the battery fully and reset the battery management system to recalibrate the cell balance.

Store and charge the battery in a cool and dry environment to reduce temperature-related imbalances.

If the uneven battery drain continues, consider replacing the battery to ensure optimal performance.

16. Gear Shifting Difficulties

Description: The gears on your MOSH/CTY eBike may be difficult to shift or may not engage properly.

Cause: Gear shifting difficulties can be caused by cable tension issues, misaligned derailleurs, or worn-out gear components.

Troubleshooting: Check the cable tension and adjust it if necessary to ensure smooth gear shifting.

Inspect the derailleurs for misalignment and adjust them to ensure precise gear engagement.

If the gear components are worn, consider replacing them to improve shifting performance.

17. Noisy Brakes

Description: The brakes on your eBike may produce loud or squealing noises during braking.

Cause: Noisy brakes can be caused by contamination on the brake pads, uneven wear, or misalignment.

Troubleshooting: Inspect the brake pads for any dirt, debris, or glazing. Clean or replace them if necessary.

Check the brake caliper alignment and adjust it to ensure even contact with the brake rotor.

If the brake rotor is unevenly worn, consider replacing it for smoother braking performance.

18. Loose Pedals

Description: The pedals on your MOSH/CTY eBike may feel loose or wobble during pedaling.

Cause: Loose pedals can result from worn pedal threads, insufficient tightening, or damaged pedal bearings.

Troubleshooting: Tighten the pedals securely to the crank arm using a pedal wrench.

Inspect the pedal threads for wear or damage. If worn, consider replacing the pedals.

If the pedal bearings are damaged, consider replacing the pedals for a smoother ride.

19. Display Error Codes

Description: Your eBike’s display may show error codes, indicating potential issues with the system.

Cause: Error codes can be triggered by various factors, including sensor malfunctions or communication errors.

Troubleshooting: Refer to the user manual or the manufacturer’s website for a list of error codes and their corresponding explanations.

Try turning the eBike off and on again to see if the error clears, as it might be a temporary glitch.

If the error persists, contact the manufacturer or an authorized service center for further diagnosis and resolution.

20. Unresponsive Electric Assist

Description: The electric assist on your MOSH/CTY eBike may not engage, making it challenging to ride.

Cause: Unresponsiveness in the electric assist can be caused by a malfunctioning throttle, motor controller, or power system.

Troubleshooting: Check the throttle operation to see if it responds to input. If not, there might be a throttle-related issue.

Inspect the motor controller and wiring for any loose connections or signs of damage. Reconnect any disconnected wires.

Ensure that the battery is fully charged and properly inserted into the frame to provide power to the electric assist system.

If the problem persists, consult a professional technician or the manufacturer for further diagnosis and repair.

21. Unstable Kickstand

Description: The kickstand on your MOSH/CTY eBike may be unstable or not provide adequate support.

Cause: An unstable kickstand can result from loose bolts, a bent kickstand, or an unsuitable surface for stability.

Troubleshooting: Tighten all the bolts and fasteners associated with the kickstand to ensure a secure connection.

Inspect the kickstand for any bends or damage. If bent, consider replacing it for better stability.

Use the kickstand on a firm and level surface to ensure it provides optimal support for the eBike.

22. Loose Fenders

Description: The fenders on your eBike may feel loose or rattle during rides.

Cause: Loose fenders can result from insufficient mounting or loose hardware.

Troubleshooting: Ensure that the fenders are securely attached to the frame and wheel mounts.

Tighten any bolts or fasteners associated with the fenders to eliminate any rattling or movement.

23. Unresponsive Throttle

Description: The throttle on your MOSH/CTY eBike may not respond when engaged.

Cause: Unresponsiveness in the throttle can be due to a faulty throttle unit, wiring issues, or motor controller problems.

Troubleshooting: Check the throttle connections and ensure they are securely plugged in.

Inspect the throttle for any damage or wear. Replace it if necessary.

Test the throttle using a multimeter to check for any electrical issues.

If the problem persists, consult a professional technician or the manufacturer for further diagnosis and repair.

24. Charging Issues

Description: Your eBike’s battery may not charge properly or may encounter charging-related problems.

Cause: Charging issues can arise from a faulty charger, damaged charging port, or battery-related problems.

Troubleshooting: Check the charger and charging cable for any visible damage. If damaged, consider replacing them.

Inspect the charging port on the eBike for any debris or damage. Clean it carefully and check for a secure connection.

Try charging the battery off the bike using a different charger to see if the issue lies with the charger itself.

If the battery still does not charge properly, seek professional assistance from an authorized service center.

25. Motor Overheating

Description: The motor on your MOSH/CTY eBike may become excessively hot during rides.

Cause: Motor overheating can be caused by prolonged and demanding rides, high ambient temperatures, or a malfunctioning motor controller.

Troubleshooting: Allow the motor to cool down before resuming riding, especially during challenging rides.

Inspect the motor controller and wiring for any signs of damage or overheating. Replace any faulty components.

Avoid riding in extreme temperatures or harsh conditions that can contribute to motor overheating.

If the motor continues to overheat regularly, consult a professional technician or the manufacturer for further diagnosis and repair.

Serial 1 MOSH/CTY Electric Bike User Reviews

When considering purchasing an electric bike, it’s helpful to hear from other users about their experiences with the product. Here, we’ve compiled some summarized user reviews for the Serial 1 MOSH/CTY Electric Bike, sourced from Walmart’s website. Please note that these are not direct quotes but rather an approximation of the positive and negative feedback provided by users.

Positive Reviews from Serial 1 MOSH/CTY Electric Bike Users

• Some users were satisfied with the bike’s stylish design and praised its sleek appearance.
• Many users found the MOSH/CTY to be a powerful and efficient electric bike, providing a smooth and enjoyable riding experience.
• Several users appreciated the convenience of the lightweight, mid-mounted Brose S MAG motor, offering quick acceleration and the ability to conquer challenging hills.
• Users also loved the maintenance-free Gate carbon-fiber belt drive, which provided a quiet and efficient ride without the need for frequent lubrication or adjustments.
• Others were pleased with the integrated, removable lithium-ion battery, offering a real-world range of up to 105 miles, depending on ride-mode selection and terrain.

Overall, the majority of users were content with their experience of owning the Serial 1 MOSH/CTY Electric Bike, citing its stylish design, powerful motor, and reliable battery as some of its standout features.

Negative User Reviews of the Serial 1 MOSH/CTY Electric Bike

• Some users reported issues with the lack of gears on the MOSH/CTY, finding it limiting for certain terrains or riding conditions.
• There were complaints about the absence of front shocks, which led to discomfort for riders encountering rough or uneven surfaces.
• A few users were dissatisfied with receiving older models that lacked app support, which affected their overall experience with the eBike.

Despite these negative reviews, it’s important to note that the negative feedback represents a smaller portion of the overall user reviews.

It is worth mentioning that the product has also received positive feedback regarding its stylish appearance, smooth riding experience, and efficient motor and battery system. However, some users expressed concerns about the lack of gears and front shocks, as well as receiving older models without app support. As with any product, individual experiences may vary, and it’s essential for potential buyers to weigh both positive and negative feedback to make an informed decision about their purchase.

Remember that the user reviews are based on individual experiences and preferences, and it’s advisable to consider all aspects of the Serial 1 MOSH/CTY Electric Bike, including its specifications, features, and intended use, to determine if it meets your specific needs and requirements.

Disclaimer: All information about user reviews is taken from the site Walmart.

Serial 1 MOSH/CTY Common Problems
Serial 1 RUSH/CTY SPEED Common Problems
Serial 1 RUSH/CTY Step-Thru Common Problems

Serial 1 MOSH/CTY Electric Bike Manual

The operating instructions and user manual for the Serial 1 MOSH/CTY Electric Bike can be found on the manufacturer’s website. For comprehensive guidance on how to assemble, operate, and maintain your MOSH/CTY eBike, please visit the official website of Serial 1.

Serial 1 MOSH/CTY Frequently Asked Questions

1. How do I charge the battery on my MOSH/CTY eBike?

To charge the battery, you can do it on-the-bike through a charging port located on the frame downtube, or you can remove the battery for off-the-bike charging. The charge times are approximately 4.75 hours for 0-100% and 2.6 hours for 0-75%.

2. What is the range of the MOSH/CTY eBike on a single charge?

The integrated, removable, 529Wh lithium-ion battery provides a real-world range of 35-105 miles, depending on various factors like ride-mode selection, terrain, and the amount of pedal input supplied by the rider.

3. Can I ride the MOSH/CTY eBike in the rain?

Yes, the MOSH/CTY eBike is designed to withstand most weather conditions. However, it is essential to exercise caution and maintain proper care, especially in wet or slippery conditions, to ensure optimal safety and performance.

4. How often should I perform maintenance on my MOSH/CTY eBike?

Regular maintenance is crucial to keep your eBike in excellent condition. It is recommended to perform routine checks, such as checking tire pressure, ensuring proper brake function, and inspecting the drivetrain. Refer to the user manual for specific maintenance intervals and tasks.

5. Can I adjust the level of electric assist on the MOSH/CTY eBike?

Yes, the MOSH/CTY eBike offers different ride modes to adjust the level of electric assist. You can choose from Eco Mode for gentle assistance, Tour Mode for optimal blend, Sport Mode for pronounced assistance, and Boost Mode for steep hills or challenging conditions.

Conclusion

When encountering any issues or problems with your Serial 1 MOSH/CTY Electric Bike, it is recommended to always refer to the user manual for troubleshooting tips and guidelines. Additionally, do not hesitate to reach out to customer service or an authorized service center for further assistance and professional support. Proper maintenance, adherence to safety guidelines, and responsible riding will ensure a satisfying and enjoyable experience with your MOSH/CTY eBike.