Written By Doug Smirnoff

BESV TRX Urban 1.1 Common Problems and Troubleshooting

Welcome to our guide on addressing common problems and troubleshooting for the BESV TRX Urban 1.1 Electric Bike. In this article, we’ll explore potential issues that users may encounter with this specific model and provide solutions to help you enjoy a seamless riding experience.

BESV TRX Urban 1.1 Overview

The BESV TRX Urban 1.1 is a versatile electric bike designed for various adventures. It comes equipped with a 720 Wh battery for extended rides, a powerful Shimano EP6 motor with 85 Nm of torque, a Shimano Deore 12-speed gear system, and many other features for comfort and performance. Below is a table summarizing its key specifications and features:

FRAMEHard-tail BESV TRX Series alloy frame, Shimano Steps and internal battery compatible
COLOR(s)Metallic blue with night black
SIZESS (42.5cm)| M (46cm)| L (49cm)
FORKSR Suntour XCR34, 34mm stanchions, Lockout, Air damping, 1.1/8″-1.5″ tapered alloy steerer, travel man: 120mm, lady: 100mm

Causes of Common Problems with the BESV TRX Urban 1.1

  1. Power Loss During Rides

    Description: Some riders experience sudden power loss while using their BESV TRX Urban 1.1.

    Cause: This issue can be caused by various factors, including low battery, loose connectors, or motor overheating.


    1. Check the battery level on the display. If it’s low, recharge the battery.
    2. Inspect and ensure all connectors (battery, motor, display) are securely connected.
    3. If the motor overheats, allow it to cool down before riding again.
  2. Gear Shifting Problems

    Description: Riders may encounter issues with gear shifting, such as gears not engaging smoothly.

    Cause: This problem can arise from misaligned derailleurs, cable tension issues, or worn-out components.


    1. Inspect the gear cables for tension and adjust as needed.
    2. Check the alignment of the front and rear derailleurs; they should be parallel to the chainrings and cogs.
    3. If components are worn, consider replacing them as per the manufacturer’s recommendations.
  3. Brake Squeaking or Grinding

    Description: Some riders may notice squeaking or grinding noises when applying the brakes.

    Cause: This issue often results from contamination of brake pads, misaligned calipers, or worn-out brake pads.


    1. Inspect brake pads for contamination (e.g., oil or dirt) and clean them if necessary.
    2. Ensure that the brake calipers are properly aligned with the rotors.
    3. If brake pads are worn, replace them with new ones designed for the BESV TRX Urban 1.1 model.
  4. Display Malfunctions

    Description: Riders may encounter issues with the bike’s display, such as a blank screen or incorrect information.

    Cause: Display problems can result from loose connections, software glitches, or low battery voltage.


    1. Check and secure all display-related connectors to ensure a proper connection.
    2. If the display is blank, charge the battery to ensure sufficient voltage.
    3. Update the display’s firmware if a software issue is suspected, following the manufacturer’s instructions.
  5. Tire Punctures

    Description: Riders may face frequent tire punctures while using the BESV TRX Urban 1.1.

    Cause: Punctures can occur due to sharp objects on the road, under-inflated tires, or worn-out tire casings.


    1. Inspect the tires for foreign objects and remove them carefully.
    2. Maintain proper tire pressure as recommended in the user manual to reduce the risk of punctures.
    3. If tire casings are damaged, consider replacing the tires with compatible ones.
  1. Battery Not Charging

    Description: Users may encounter issues where the battery of their BESV TRX Urban 1.1 doesn’t charge properly.

    Cause: Charging problems can result from damaged charging cables, faulty chargers, or issues with the battery itself.


    1. Inspect the charging cable for any visible damage, and replace it if necessary.
    2. Try using a different charger that is compatible with the BESV TRX Urban 1.1.
    3. If the battery is still not charging, contact BESV customer support for further assistance.
  2. Noisy Suspension Fork

    Description: Some riders may notice unusual noises coming from the suspension fork of their bike.

    Cause: Noise from the suspension fork can be due to insufficient lubrication, loose components, or dirt buildup.


    1. Apply appropriate suspension fork lubricant following the manufacturer’s recommendations.
    2. Tighten all suspension fork bolts and fasteners to the specified torque values.
    3. Clean the fork stanchions and seals regularly to prevent dirt accumulation.
  3. Intermittent Motor Assistance

    Description: Riders may experience intermittent assistance from the electric motor, causing inconsistent power delivery.

    Cause: This issue can arise from loose motor connectors, sensor malfunctions, or electrical interference.


    1. Check and secure all motor-related connectors to ensure a proper connection.
    2. Inspect the motor’s sensors for any damage or debris and clean or replace them as needed.
    3. Avoid areas with strong electromagnetic interference that could affect motor performance.
  4. Saddle Discomfort

    Description: Some riders may experience discomfort or numbness in the saddle area during longer rides.

    Cause: Saddle discomfort can be due to improper saddle height, angle, or saddle choice that doesn’t suit the rider’s anatomy.


    1. Adjust the saddle height and angle to achieve a comfortable riding position.
    2. Consider trying different saddle models designed for improved comfort and support.
    3. Wear appropriate padded cycling shorts to reduce friction and pressure on sensitive areas.
  5. Noisy Chain

    Description: Riders may notice a noisy or clicking sound coming from the chain while pedaling.

    Cause: Chain noise can result from insufficient lubrication, misaligned derailleur, or worn chain and cassette.


    1. Apply bicycle chain lubricant to ensure proper chain lubrication and reduce friction noise.
    2. Inspect the derailleur alignment and make necessary adjustments.
    3. If the chain and cassette are worn, consider replacing them with compatible parts.
  1. Uneven Tire Wear

    Description: Riders may notice that their bike’s tires wear unevenly, leading to reduced performance and stability.

    Cause: Uneven tire wear can be caused by incorrect tire pressure, wheel misalignment, or riding on rough terrain.


    1. Maintain proper tire pressure according to the manufacturer’s recommendations.
    2. Check and correct wheel alignment to ensure even tire contact with the ground.
    3. Avoid rough or abrasive surfaces that can accelerate tire wear.
  2. Chain Dropping Off Chainring

    Description: Riders may experience issues with the chain dropping off the chainring, causing unexpected gear shifts.

    Cause: Chain dropping can result from a misadjusted front derailleur, worn chainrings, or a damaged chain.


    1. Inspect and adjust the front derailleur to ensure it properly guides the chain onto the chainring.
    2. If chainrings are worn or damaged, consider replacing them with compatible parts.
    3. Check the chain for signs of wear, and replace it if necessary.
  3. Loose Handlebars or Stem

    Description: Riders may encounter issues with loose handlebars or stem, leading to potential safety hazards.

    Cause: Handlebar and stem looseness can result from inadequate tightening, vibrations, or wear over time.


    1. Regularly inspect and ensure that all handlebar and stem bolts are tightened to the manufacturer’s specifications.
    2. Consider using a torque wrench to achieve proper bolt torque values for added safety.
    3. Check for any unusual vibrations or wear and address the underlying causes promptly.
  4. Display Error Codes

    Description: Riders may encounter error codes on the bike’s display, indicating potential issues.

    Cause: Error codes can result from sensor malfunctions, software glitches, or electrical problems.


    1. Refer to the user manual to interpret the specific error code displayed and follow recommended actions.
    2. If the issue persists, perform a system reset or update the bike’s firmware as per manufacturer instructions.
    3. If unsure, contact BESV customer support for assistance in diagnosing and resolving the error.
  5. Pedal Slippage

    Description: Riders may experience pedal slippage, where their feet do not grip the pedals securely.

    Cause: Pedal slippage can be caused by wet or muddy conditions, worn pedal pins, or improper footwear.


    1. Use appropriate footwear with good traction to enhance pedal grip, especially in wet conditions.
    2. Inspect and replace any worn or damaged pedal pins to improve foot-pedal connection.
    3. Avoid riding in extremely muddy or slippery conditions when possible.
  1. Chain Skipping Under Load

    Description: Riders may experience the chain skipping or jumping gears, especially when pedaling with force.

    Cause: Chain skipping can result from a worn chain, cassette, or improperly adjusted derailleur.


    1. Inspect the chain and cassette for signs of wear and replace them if necessary.
    2. Adjust the derailleur’s cable tension and limit screws to ensure precise shifting under load.
    3. Ensure that the chain is properly lubricated to reduce friction and skipping.
  2. Brake Fluid Leakage

    Description: Riders may notice brake fluid leakage, leading to reduced braking performance.

    Cause: Brake fluid leakage can result from damaged brake hoses, worn seals, or loose fittings.


    1. Inspect the brake system for visible signs of fluid leakage, such as wet spots or oily residue.
    2. If leakage is detected, do not ride the bike and have the brake system serviced by a qualified technician.
    3. Regularly check and tighten brake hose fittings to prevent leaks due to vibration.
  3. Uneven Brake Wear

    Description: Riders may observe uneven wear on the brake pads, causing uneven braking and noise.

    Cause: Uneven brake wear can occur due to misaligned brake calipers, contaminated pads, or rotor imperfections.


    1. Inspect and adjust brake calipers to ensure even pad contact with the rotor surface.
    2. Clean or replace brake pads if they are contaminated with oil, dirt, or debris.
    3. If the rotor is damaged or has imperfections, consider replacing it with a new one.
  4. Handlebar Vibrations

    Description: Riders may experience excessive handlebar vibrations, affecting ride comfort.

    Cause: Handlebar vibrations can result from tire imbalances, loose components, or road conditions.


    1. Ensure that both front and rear tires are properly balanced to reduce vibrations.
    2. Regularly check and tighten handlebar and stem components to minimize looseness.
    3. Avoid rough road surfaces and try to select smoother routes for a more comfortable ride.
  5. Intermittent Electrical Issues

    Description: Riders may encounter intermittent electrical problems, such as sporadic motor or display malfunctions.

    Cause: Electrical issues can be caused by loose wiring connections, moisture ingress, or temperature fluctuations.


    1. Inspect all electrical connections for secure connections and reseat them if necessary.
    2. Ensure that electrical components are protected from moisture and extreme temperature conditions.
    3. If the problem persists, consult a professional technician or contact BESV support for assistance.
  1. Chain Slap on Rough Terrain

    Description: Riders may experience chain slap noise when riding on rough terrain, which can be bothersome.

    Cause: Chain slap is often caused by inadequate chain tension or excessive chain movement on uneven surfaces.


    1. Adjust the rear derailleur to maintain proper chain tension while riding over rough terrain.
    2. Consider using a chainstay protector to reduce noise and protect the frame from chain damage.
    3. Ride with a smoother pedal stroke to minimize chain movement on bumpy trails.
  2. Poor Battery Range

    Description: Some users may find that the bike’s battery does not provide the expected range per charge.

    Cause: Reduced battery range can result from factors such as low tire pressure, strong headwinds, or hilly terrain.


    1. Maintain optimal tire pressure as recommended by the manufacturer to reduce rolling resistance.
    2. Avoid riding in strong headwinds or consider using lower assist levels to conserve battery power.
    3. Plan routes with less steep terrain if possible to extend battery range on hilly rides.
  3. Rust and Corrosion

    Description: Riders may notice rust or corrosion on various bike components, affecting aesthetics and performance.

    Cause: Rust and corrosion can occur due to exposure to moisture, salt, and environmental conditions.


    1. Regularly clean and dry the bike after riding in wet conditions to prevent rust formation.
    2. Apply a rust-resistant coating or lubricant to susceptible metal parts, such as bolts and chains.
    3. Store the bike in a dry, sheltered area when not in use to minimize exposure to the elements.
  4. Inaccurate Speed Readings

    Description: Riders may observe inaccurate speed readings on the bike’s display, affecting ride tracking.

    Cause: Speed reading inaccuracies can result from sensor malfunctions, magnet misalignment, or wheel size settings.


    1. Check the alignment of speed sensors and magnets on the bike’s wheel and fork and adjust them if necessary.
    2. Ensure that the correct wheel size is selected in the bike’s settings to improve speed accuracy.
    3. If issues persist, consult the user manual or contact BESV customer support for guidance.
  5. Unresponsive Electronic Shifting

    Description: Riders with electronic shifting systems may encounter unresponsiveness when shifting gears.

    Cause: Unresponsiveness can be due to low battery levels, damaged shift wires, or misconfigured electronic settings.


    1. Check the battery levels of the electronic shifting system and recharge or replace the battery if needed.
    2. Inspect the shift wires and connections for damage or wear and replace them as required.
    3. Ensure that the electronic shifting system is correctly configured and adjusted for precise shifting.

BESV TRX Urban 1.1 Electric Bike User Reviews

Before making a decision to purchase an electric bike, it’s always valuable to hear from those who have already experienced it. Here, we present a summary of user reviews for the BESV TRX Urban 1.1 electric bike, gathered from Walmart’s online platform. These insights from actual users can provide valuable information for potential buyers.

Positive Reviews from BESV TRX Urban 1.1 Electric Bike Users

  • Some users were satisfied with the comfortable and ergonomic design of the BESV TRX Urban 1.1, which allowed for long rides without discomfort.
  • Many riders appreciated the powerful Shimano EP6 motor, which provided robust support, especially when tackling hilly terrain.
  • Several users praised the bike’s long-lasting battery life, noting that it allowed for extended rides without needing frequent recharging.
  • Positive feedback also highlighted the smooth and reliable gear shifting performance of the Shimano Deore 12-speed gear system.
  • Many riders found the bike’s sturdy construction and build quality to be impressive, contributing to a sense of durability and reliability.

Overall, the majority of users expressed positive sentiments about their experiences with the BESV TRX Urban 1.1 electric bike. They found it to be a comfortable, powerful, and well-constructed option for various riding scenarios, including long-distance trips and challenging terrains.

Negative User Reviews of the BESV TRX Urban 1.1 Electric Bike

  • Some users were not satisfied with occasional issues related to electronic components, such as display malfunctions and error codes.
  • Several riders expressed concerns about the weight of the bike, noting that it could be cumbersome to handle in certain situations.
  • There were reports of occasional problems with the chain slipping or shifting difficulties, which some users found frustrating.
  • A few users mentioned that they experienced discomfort with the bike’s saddle during longer rides.
  • Some riders found the price point of the BESV TRX Urban 1.1 to be on the higher side compared to similar electric bike models.

While the BESV TRX Urban 1.1 garnered predominantly positive feedback, it’s worth noting that a minority of users encountered issues related to electronic components, weight, and certain performance aspects. However, these negative experiences appear to be relatively isolated compared to the overall positive reception.

It’s important to consider these user reviews in the context of your specific needs and preferences when evaluating the BESV TRX Urban 1.1 electric bike.

BESV TRX Urban 1.1 Electric Bike Manual

The operating instructions and user manual for the BESV TRX Urban 1.1 electric bike can be found on the manufacturer’s official website. For detailed guidance on setup, usage, maintenance, and troubleshooting, we recommend visiting the BESV website and accessing the official manual for your specific model.

Frequently Asked Questions about BESV TRX Urban 1.1

Q: How do I extend the battery life of my BESV TRX Urban 1.1 electric bike?

A: To maximize battery life, maintain proper tire pressure, avoid prolonged exposure to extreme temperatures, and use the appropriate assist level based on your riding conditions. Regularly charge the battery and store it in a cool, dry place when not in use.

Q: Can I ride the BESV TRX Urban 1.1 in the rain?

A: The BESV TRX Urban 1.1 is designed to withstand light rain and splashes, but it’s not recommended for heavy rain or immersion. Ensure that all electronic components are properly protected from moisture, and consider using fenders for added protection during wet rides.

Q: What should I do if I encounter an error code on the bike’s display?

A: If you see an error code, consult the user manual for code meanings and troubleshooting steps. In most cases, you may need to perform a system reset or update the firmware. If the issue persists, contact BESV customer service or your local service center for assistance.

Q: How often should I perform maintenance on my BESV TRX Urban 1.1?

A: Regular maintenance is essential for optimal performance. Check the bike’s components, including brakes, gears, and tires, before each ride. Lubricate the chain as needed and schedule periodic maintenance according to the manufacturer’s recommendations. Refer to the user manual for specific maintenance intervals.

Q: Is it possible to replace or upgrade certain components of the BESV TRX Urban 1.1?

A: Yes, many components of the BESV TRX Urban 1.1 are replaceable and upgradable. Consult the user manual for compatibility and guidelines on component replacement or upgrades. You can also contact a certified BESV service center for assistance with customization or replacements.


In the event of any problems or issues with your BESV TRX Urban 1.1 electric bike, it’s advisable to refer to the user manual, reach out to BESV’s customer service, or contact an authorized service center. They can provide the most accurate and tailored solutions to address any concerns and ensure the optimal performance of your electric bike.

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