BESV TCA 1.1 Common Problems and Troubleshooting

If you own a BESV TCA 1.1 Electric Bike, you’re in for an exhilarating ride. This model boasts a carbon frame, Shimano EP801 motor with 85 Nm of torque, a 720 Wh long-lasting battery, a Shimano XT 12-speed gear system, and powerful four-piston brakes. Whether you’re tackling mountains or cruising through the city, the BESV TCA 1.1 has got you covered. In this article, we’ll address common problems that you might encounter with this electric bike and provide troubleshooting solutions to keep you on the road.

BESV TCA 1.1 Overview

The BESV TCA 1.1 is our all-round mountaineer. It features a full-suspension BESV TCA Series frame with a carbon front and rear triangle, making it lightweight and durable. Here are some key product details and features:

FRAME	Full-suspension BESV TCA Series frame, carbon front and rear triangle, Shimano Steps and internal battery compatible
COLOR(s)	River blue with night black
SIZES	S (41.5cm) \| M (43cm) \| L (46cm)

Shimano EP801 center-motor with 250W rated power and 85Nm of torque
720 Wh integrated Lithium Ion battery with Smart 4-5.6A charger

Shimano SC-EM800 display with LCD, Bluetooth, and ANT connectivity

Causes of Common Problems with the BESV TCA 1.1

1. Battery Draining Quickly

Description of the Problem: One common issue BESV TCA 1.1 owners may encounter is that the battery seems to drain faster than expected, resulting in reduced riding range.

Cause of the Problem: This problem can occur due to a combination of factors, including high power consumption, terrain, and riding habits.

Troubleshooting: To address this issue, follow these steps:

Check your riding mode: Lower the assist level when riding on flat terrain to conserve battery.
Maintain proper tire pressure: Ensure your tires are adequately inflated to reduce rolling resistance.
Limit heavy acceleration: Avoid rapid acceleration and maintain a steady pace to use less power.

Charge properly: Follow the manufacturer’s guidelines for charging cycles and avoid overcharging.
Inspect for battery issues: If problems persist, consult a professional to check for battery health.

2. Motor Not Providing Assistance

Description of the Problem: Some users may experience situations where the motor on their BESV TCA 1.1 does not provide assistance when pedaling.

Cause of the Problem: This issue can occur due to loose connections, sensor problems, or software glitches.

Troubleshooting: If you encounter this problem, try the following steps:

Check for loose connections: Inspect all motor and sensor connections for secure attachment.
Restart the system: Turn the bike off and on again to reset the motor controller.
Calibrate sensors: Follow the user manual to calibrate the pedal-assist sensor properly.

Update firmware: Check for software updates and ensure your bike’s firmware is up to date.
Contact customer support: If the problem persists, get in touch with BESV customer support for assistance.

3. Gears Shifting Erratically

Description of the Problem: Some riders may notice erratic shifting behavior in the Shimano XT 12-speed gear system of the BESV TCA 1.1.

Cause of the Problem: This issue can be caused by cable tension, derailleur adjustment, or worn components.

Troubleshooting: To resolve gear-shifting problems, follow these steps:

Inspect cable tension: Ensure that the shift cable is correctly tensioned.
Check derailleur alignment: Adjust the derailleur’s position if it’s misaligned.
Examine chain and cassette: Inspect the chain and cassette for wear and replace if necessary.

Lubricate components: Apply lubricant to the chain and derailleur pivot points for smoother shifting.
Consult a bike mechanic: If issues persist, consult a professional for a thorough gear system check.

4. Unresponsive Display

Description of the Problem: Some users may encounter situations where the Shimano SC-EM800 display becomes unresponsive, making it difficult to access settings or monitor ride data.

Cause of the Problem: Unresponsiveness can result from software glitches or low battery levels in the display unit.

Troubleshooting: If your display is unresponsive, try the following steps:

Recharge the display unit: Ensure the display unit has sufficient battery charge.
Restart the display: Power off and on the display to reset it.
Check for updates: Look for firmware updates for the display unit.

Inspect cable connections: Ensure all display cables are securely connected.
Contact customer support: If problems persist, contact BESV’s customer support for further assistance.

5. Brake Squeaking or Grinding

Description of the Problem: Riders may experience squeaking or grinding noises when applying the Shimano SLX M7120 hydraulic disc brakes on the BESV TCA 1.1.

Cause of the Problem: Brake noise can be caused by contaminants on the brake pads or rotor, improper alignment, or worn brake components.

Troubleshooting: To address brake noise issues, follow these steps:

Clean brake pads and rotor: Remove contaminants by cleaning the pads and rotor surfaces.
Check brake alignment: Ensure the calipers are properly aligned with the rotor.
Inspect for wear: Check brake pads and rotors for wear and replace as needed.

Bed-in the brakes: Follow the manufacturer’s instructions for bedding-in new brake pads.
Seek professional help: If noise continues, consult a bike mechanic for a more thorough inspection.

6. Chain Skipping During Gear Changes

Description: Riders may notice the chain skipping or slipping when shifting gears on the BESV TCA 1.1, leading to an inconsistent and frustrating riding experience.

Cause: Chain skipping can be caused by misaligned derailleurs, worn chainrings, or a need for chain lubrication.

Troubleshooting: To address this issue, consider the following steps:

Inspect derailleur alignment: Ensure the front and rear derailleurs are correctly aligned with the chainrings and cassette.

Check chainring condition: Examine the chainrings for signs of wear or damage and replace if necessary.
Lubricate the chain: Apply a suitable chain lubricant to reduce friction and improve shifting.
Check chain tension: Ensure the chain is properly tensioned, not too loose or too tight.

Verify gear cable condition: Inspect gear cables for fraying or damage and replace if needed.

7. Inconsistent Braking Performance

Description: Some riders may experience inconsistent braking performance with the Shimano SLX M7120 hydraulic disc brakes on the BESV TCA 1.1, with brakes feeling weak or overly sensitive.

Cause: Inconsistent braking can result from air bubbles in the brake lines, contaminated brake fluid, or worn brake pads.

Troubleshooting: To resolve this issue, follow these steps:

Bleed the brakes: Remove air from the brake lines by bleeding the brakes according to manufacturer instructions.
Check brake fluid: Ensure the brake fluid is clean and free of contaminants; replace if necessary.

Inspect brake pads: Examine brake pads for wear and replace them if they are worn down.
Bed-in the brakes: Properly bed-in new brake pads to improve braking performance.
Calibrate brake levers: Adjust brake lever reach to achieve the desired brake sensitivity.

8. Display Error Codes

Description: Users may encounter error codes or messages on the Shimano SC-EM800 display of the BESV TCA 1.1, causing confusion and disruption during rides.

Cause: Display error codes typically indicate system malfunctions, sensor issues, or connectivity problems.

Troubleshooting: If you see error codes on the display, consider these troubleshooting steps:

Refer to the manual: Consult the user manual for a list of error codes and their meanings.
Restart the system: Turn off the bike and display, then power them back on to reset the system.
Check sensor connections: Inspect sensor cables and connections for any loose or damaged components.

Update firmware: Ensure that both the display and motor controller have the latest firmware updates.
Contact support: If error codes persist, contact BESV’s customer support for guidance.

9. Uneven Suspension Performance

Description: Riders may experience uneven suspension performance on the BESV TCA 1.1, with one side of the fork or rear shock feeling stiffer than the other.

Cause: Uneven suspension can occur due to improper setup, damaged suspension components, or a need for maintenance.

Troubleshooting: To address this suspension issue, follow these steps:

Check suspension settings: Ensure that suspension settings, such as rebound and compression, are balanced.

Inspect suspension components: Examine suspension fork and rear shock for visible damage and replace if needed.
Lubricate suspension pivots: Apply appropriate suspension lubricant to pivot points for smoother operation.
Rebound and sag adjustments: Adjust rebound and sag settings based on your riding preferences and terrain.

Professional inspection: If problems persist, have a bike mechanic inspect the suspension system.

10. Limited Range on a Single Charge

Description: Some riders may find that they have limited range on a single charge of the BESV TCA 1.1’s 720 Wh battery, resulting in shorter rides than expected.

Cause: Factors contributing to limited range can include terrain, riding conditions, and battery health.

Troubleshooting: To extend your range, consider the following steps:

Optimize riding mode: Select the most energy-efficient assist level for the terrain and your riding style.
Check tire pressure: Maintain proper tire pressure to reduce rolling resistance and improve efficiency.

Plan routes wisely: Choose routes with gradual inclines and minimize steep climbs.
Maintain battery health: Follow recommended battery care practices to maximize its lifespan.
Consider a spare battery: If longer rides are essential, consider carrying a spare battery.

11. Excessive Noise from the Chain

Description: Riders may encounter excessive noise coming from the chain of the BESV TCA 1.1, which can be distracting and reduce the overall riding experience.

Cause: Chain noise can be caused by improper chain tension, misalignment, or insufficient lubrication.

Troubleshooting: To reduce chain noise, follow these steps:

Adjust chain tension: Ensure the chain is properly tensioned, not too tight or too loose.
Check chainring alignment: Verify that the chainring and rear cassette are correctly aligned.
Lubricate the chain: Apply chain lubricant to all chain links for smoother and quieter operation.

Inspect chain condition: Examine the chain for signs of wear or damaged links, and replace if necessary.
Monitor gear shifting: Ensure that gear changes are smooth and precise to minimize chain stress.

12. Difficulty in Battery Removal

Description: Some users may face challenges when attempting to remove the integrated 720 Wh battery from the BESV TCA 1.1, making it inconvenient for charging or maintenance.

Cause: Difficulty in battery removal can occur due to tight fits, latch issues, or a lack of familiarity with the removal process.

Troubleshooting: To address battery removal issues, consider these steps:

Review the user manual: Familiarize yourself with the correct battery removal procedure outlined in the manual.

Apply gentle pressure: When removing the battery, apply even and gentle pressure while following the manufacturer’s guidelines.
Check for obstructions: Ensure there are no obstructions or debris preventing smooth battery removal.
Lubricate latch mechanisms: If applicable, use a suitable lubricant to ease latch operation.

Seek assistance: If you continue to face difficulties, seek help from a knowledgeable technician.

13. Unresponsive Electric Assistance

Description: Riders may encounter situations where the electric assistance from the Shimano EP801 motor on the BESV TCA 1.1 becomes unresponsive, leading to a lack of power when needed.

Cause: Unresponsiveness can result from sensor issues, electrical connections, or motor controller malfunctions.

Troubleshooting: If you experience unresponsive electric assistance, follow these steps:

Inspect sensor connections: Ensure all motor and pedal-assist sensor connections are secure.
Restart the system: Turn off the bike and motor, then power them back on to reset the motor controller.

Check for error codes: Review the display for any error codes or messages indicating issues.
Test different assist levels: Switch between assist levels to see if the problem persists at all settings.
Professional diagnosis: If the issue continues, consult a qualified technician for a comprehensive diagnosis.

14. Inaccurate Battery Indicator

Description: Some riders may notice that the battery indicator on the BESV TCA 1.1’s display does not accurately reflect the remaining battery charge, potentially causing range anxiety.

Cause: Inaccurate battery readings can be due to calibration issues, software glitches, or sensor inaccuracies.

Troubleshooting: To address inaccurate battery indicators, consider these steps:

Calibrate the battery: Follow the manufacturer’s instructions to calibrate the battery indicator.
Update firmware: Check for and install any available firmware updates for the display and battery management system.
Check sensor connections: Ensure all relevant sensor connections are securely attached.

Monitor actual range: Pay attention to your actual riding range to better gauge battery life.
Contact support: If the problem persists, contact BESV support for guidance and potential solutions.

15. Saddle Comfort Issues

Description: Some riders may experience discomfort or pain while using the Selle Italia Model-X Superflow eBike saddle on the BESV TCA 1.1.

Cause: Saddle discomfort can result from personal preferences, improper saddle height, or body ergonomics.

Troubleshooting: To address saddle comfort issues, consider these steps:

Adjust saddle height: Properly set the saddle height to match your leg length and riding style.

Add padding: Consider adding a saddle cover or cushion for additional comfort.
Experiment with saddle tilt: Slight adjustments to saddle tilt can alleviate discomfort for some riders.
Try a different saddle: Explore alternative saddle options that better suit your body shape and preferences.

Professional fitting: Seek professional assistance for a bike fitting to address ergonomic issues.

16. Unusual Motor Noises

Description: Riders may notice unusual noises coming from the Shimano EP801 motor on the BESV TCA 1.1, such as grinding, clicking, or rattling sounds.

Cause: Unusual motor noises can be caused by loose components, debris, or internal motor issues.

Troubleshooting: To address unusual motor noises, follow these steps:

Inspect motor connections: Check for loose motor connections and tighten them if necessary.
Remove debris: Clear any debris or foreign objects that may have entered the motor housing.

Listen for specific patterns: Pay attention to the type and pattern of noise to help diagnose the issue.
Professional assessment: If the noise persists, consult a bike mechanic for a thorough motor inspection.
Follow maintenance schedule: Stick to regular motor maintenance as recommended in the user manual.

17. Display Connectivity Problems

Description: Some riders may experience connectivity issues between the Shimano SC-EM800 display and other devices, such as smartphones or sensors.

Cause: Connectivity problems can result from software compatibility issues or signal interference.

Troubleshooting: To address display connectivity problems, consider these steps:

Check device compatibility: Ensure that your display is compatible with the devices you are trying to connect.
Update software: Check for software updates for both the display and connected devices.
Signal interference: Move away from sources of signal interference, such as electronic devices or strong wireless networks.

Re-establish connections: Follow the pairing or connection procedures outlined in the user manual.
Consult technical support: If problems persist, contact BESV technical support for assistance.

18. Pedal Sensor Inconsistencies

Description: Riders may encounter issues with the pedal-assist sensor on the BESV TCA 1.1, where electric assistance varies inconsistently during pedaling.

Cause: Inconsistencies in pedal sensor performance can be due to sensor calibration, sensor damage, or software glitches.

Troubleshooting: To address pedal sensor inconsistencies, follow these steps:

Recalibrate sensors: Follow the user manual to recalibrate the pedal-assist sensor for accurate readings.

Inspect sensor connections: Ensure pedal sensor cables are securely connected and not damaged.
Check for debris: Clear any debris or obstructions around the pedal sensor area that may affect sensor performance.
Update firmware: Ensure that the bike’s firmware, including sensor software, is up to date.

Professional assessment: If problems persist, consult a technician familiar with e-bike sensor systems.

19. Suspension Bottoming Out

Description: Riders may experience situations where the suspension on the BESV TCA 1.1 bottoms out excessively, causing a harsh impact when riding over rough terrain.

Cause: Suspension bottoming out can occur due to incorrect suspension settings, insufficient air pressure, or worn suspension components.

Troubleshooting: To prevent suspension bottoming out, consider these steps:

Adjust suspension settings: Fine-tune the suspension settings, including sag and rebound, to match your riding style and terrain.
Check air pressure: Ensure that the suspension fork and rear shock have the appropriate air pressure for your weight.
Inspect suspension components: Examine suspension seals, bushings, and shock absorbers for wear and replace as needed.
Test different settings: Experiment with different suspension settings to find the optimal balance between comfort and performance.
Professional evaluation: If issues persist, consult a bike shop for a professional suspension setup.

20. Inaccurate Speed Readings

Description: Riders may notice that the speed readings on the Shimano SC-EM800 display do not accurately reflect their actual speed, which can affect ride data and navigation.

Cause: Inaccurate speed readings can be attributed to sensor calibration issues, wheel size settings, or signal interference.

Troubleshooting: To address inaccurate speed readings, consider these steps:

Calibrate speed sensor: Follow the user manual to calibrate the speed sensor accurately.
Check wheel size settings: Ensure that the wheel size settings in the display match the actual wheel size of your bike.
Inspect sensor alignment: Verify that the speed sensor is properly aligned with the magnet on the wheel spoke.
Signal interference: Move away from sources of signal interference and try riding in open areas for accurate readings.
Consult technical support: If problems persist, contact BESV technical support for guidance.

21. Erratic Power Output

Description: Riders may experience erratic power output from the Shimano EP801 motor on the BESV TCA 1.1, where the assistance level varies unexpectedly.

Cause: Erratic power output can be caused by sensor malfunctions, software glitches, or electrical issues.

Troubleshooting: To address erratic power output, follow these steps:

Restart the system: Turn off the motor and display, then power them back on to reset the motor controller.
Calibrate sensors: Follow the user manual to recalibrate the pedal-assist and torque sensors.
Update firmware: Ensure that both the motor and display have the latest firmware updates installed.
Check for loose connections: Inspect all electrical connections for secure attachment.
Professional inspection: If issues persist, consult a qualified technician for a comprehensive diagnosis.

22. Handlebar Vibration

Description: Riders may experience excessive handlebar vibration on the BESV TCA 1.1, which can lead to discomfort and reduced control.

Cause: Handlebar vibration can result from unbalanced wheels, loose components, or uneven terrain.

Troubleshooting: To reduce handlebar vibration, consider these steps:

Check wheel balance: Ensure that both front and rear wheels are properly balanced.
Tighten handlebar components: Check and tighten handlebar grips, stem, and controls to minimize vibration.
Inspect tire condition: Examine tires for damage or uneven wear and replace if needed.
Adjust tire pressure: Maintain the recommended tire pressure to improve ride comfort.
Choose smoother routes: Opt for well-paved roads to reduce the impact of uneven terrain.

23. Loose or Noisy Bolts

Description: Some riders may encounter issues with loose or noisy bolts on various components of the BESV TCA 1.1, affecting stability and ride comfort.

Cause: Loose or noisy bolts can result from vibrations during rides, inadequate initial tightening, or wear and tear.

Troubleshooting: To address loose or noisy bolts, follow these steps:

Perform regular checks: Routinely inspect all bolts on your bike and tighten them as necessary.
Use torque wrench: Invest in a torque wrench to ensure bolts are tightened to the manufacturer’s specifications.
Apply thread locker: Use a suitable thread locker on bolts to prevent them from loosening over time.
Replace worn bolts: Replace any damaged or worn bolts with suitable replacements.
Professional maintenance: Consider having a bike shop perform a comprehensive bolt check and maintenance.

24. Uneven Tire Wear

Description: Riders may notice uneven tire wear on the BESV TCA 1.1, where certain areas of the tire show more wear than others.

Cause: Uneven tire wear can result from misaligned wheels, improper tire pressure, or aggressive riding habits.

Troubleshooting: To address uneven tire wear, consider these steps:

Check wheel alignment: Ensure that both front and rear wheels are properly aligned with the frame.
Maintain tire pressure: Keep tires inflated to the recommended pressure to distribute wear evenly.
Rotate tires: Periodically swap the front and rear tires to promote even wear.
Inspect for damage: Look for sharp objects or debris that may be causing localized wear and remove them.
Adjust riding style: Avoid sharp turns and excessive braking to reduce tire stress.

25. Difficulties with Dropper Post

Description: Some riders may encounter difficulties with the Kind Shock e20i dropper post on the BESV TCA 1.1, such as slow or unreliable height adjustments.

Cause: Dropper post issues can arise from cable tension, hydraulic fluid problems, or internal mechanism malfunctions.

Troubleshooting: To address dropper post difficulties, follow these steps:

Adjust cable tension: Ensure that the dropper post cable is correctly tensioned for smooth operation.
Check hydraulic fluid: Verify the hydraulic fluid level and condition; replace or bleed the system if needed.
Lubricate moving parts: Apply appropriate lubricant to the dropper post’s moving components for improved performance.
Inspect cable routing: Ensure that the cable routing is free of kinks or obstructions that could affect post movement.
Seek professional assistance: If problems persist, consult a bike mechanic familiar with dropper post maintenance.

BESV TCA 1.1 Electric Bike User Reviews

Positive Reviews from BESV TCA 1.1 Electric Bike Users

As we delve into the user feedback available online, it’s clear that the BESV TCA 1.1 Electric Bike has garnered a substantial amount of positive feedback from riders. Here’s a summary of the aspects that users have found particularly satisfying:

Impressive Power and Torque: Many users were satisfied with the BESV TCA 1.1’s powerful Shimano EP801 motor, which provides ample torque for conquering challenging terrains with ease.
Long-lasting Battery Life: Riders appreciated the 720 Wh integrated Lithium Ion battery, which offered excellent range and endurance, allowing for longer adventures without frequent recharging.
Precise Gear Shifting: The Shimano XT 12-speed gear system received praise for its smooth and precise shifting, ensuring optimal performance during various riding conditions.
Responsive Hydraulic Brakes: The Shimano SLX M7120 4-piston hydraulic disc brakes with 203mm rotors were lauded for their responsive and powerful braking performance, enhancing rider safety.
Comfortable and Adjustable Suspension: Users found the Rock Shox Revelation fork and Rock Shox Delux Select rear shock to be highly adjustable and capable of providing a comfortable and controlled ride over rough terrain.

Overall, positive feedback suggests that the BESV TCA 1.1 Electric Bike delivers on its promise of being a versatile and capable eMTB, providing riders with the power, endurance, and precision they need for enjoyable off-road adventures.

Negative User Reviews of the BESV TCA 1.1 Electric Bike

While the BESV TCA 1.1 Electric Bike has received considerable praise, there are also some concerns voiced by users. Based on reviews available on Walmart.com, here are summarized issues that some users were not satisfied with:

Battery Range in Hilly Terrain: A few riders reported that the battery range was not as expected when tackling steep hills or challenging off-road trails, leading to shorter rides than anticipated.
Complexity of Maintenance: Some users found that the e-bike’s complex components, including the motor and display, required more maintenance and technical knowledge than traditional bicycles.
Weight: The BESV TCA 1.1 is relatively heavy at 24.3 kg, which made it challenging for some users to transport and maneuver, especially when not riding.
Price Point: A common concern among users was the bike’s price, with some feeling that it was on the higher side compared to other eMTB options.
Technical Support: A few users reported difficulties in accessing timely technical support for addressing issues or obtaining assistance with maintenance.

While these concerns do exist, it’s important to note that they represent a minority of user experiences. The majority of riders have found the BESV TCA 1.1 Electric Bike to be a reliable and high-performing choice for their mountain biking adventures.

The BESV TCA 1.1 Electric Bike has garnered widespread positive feedback from users, with its impressive power, long-lasting battery, and precise components standing out as key strengths. While some concerns have been voiced, they appear to be exceptions rather than the norm. For the majority of riders, the BESV TCA 1.1 has delivered a satisfying and enjoyable electric mountain biking experience.

BESV TCA 1.1 Electric Bike Manual

If you are in need of the BESV TCA 1.1 operating instructions and user manual, you can find them on the manufacturer’s official website. The manual contains essential information on how to operate, maintain, and troubleshoot your BESV TCA 1.1 Electric Bike, ensuring a safe and enjoyable riding experience. Be sure to consult the manual for detailed guidance.

Frequently Asked Questions (FAQs) for BESV TCA 1.1

1. How do I properly maintain the battery on my BESV TCA 1.1 Electric Bike?

To maintain your BESV TCA 1.1’s battery, follow these tips:

Regularly charge the battery, especially after long rides.
Store the bike in a cool, dry place when not in use.
Avoid exposing the battery to extreme temperatures.
Refer to the manual for detailed battery care instructions.

2. How can I optimize the range of my BESV TCA 1.1 Electric Bike?

To maximize your bike’s range:

Select an appropriate power-assist level based on terrain and riding needs.
Pedal actively to enhance battery efficiency.
Inflate tires to the recommended pressure for reduced rolling resistance.
Minimize excessive acceleration and braking.

3. What should I do if I encounter a technical issue with my BESV TCA 1.1 Electric Bike?

If you experience technical problems:

Consult the user manual for troubleshooting guidance.
Contact BESV customer service for assistance.
If necessary, visit an authorized BESV service center for professional repairs.

4. Can I ride my BESV TCA 1.1 Electric Bike in rainy or wet conditions?

Yes, the BESV TCA 1.1 is designed to be water-resistant and can handle light rain and wet conditions. However, it is recommended to avoid submerging the bike or exposing it to heavy rainfall for extended periods. After riding in wet conditions, wipe down the bike and ensure all electrical components are dry to prevent damage.

5. Is it possible to upgrade components on my BESV TCA 1.1 Electric Bike?

Upgrading components on your BESV TCA 1.1 is possible, but it’s essential to ensure compatibility with the bike’s frame and electrical system. Before making any upgrades, consult the manufacturer’s recommendations and consider seeking assistance from a qualified bike technician to avoid compatibility issues.

Conclusion

In conclusion, while we’ve covered common problems and troubleshooting for the BESV TCA 1.1 Electric Bike, it’s essential to remember that the user manual, customer service, and authorized service centers are valuable resources for addressing any issues with your BESV TCA 1.1. Always refer to these sources whenever possible to ensure the proper care and maintenance of your electric bike.

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