VARUN Electric Bikes | More Than Just a Riding Experience, Long-Term After-Sales Guarantee

Dear VARUN electric bicycle users,

Thank you for your trust and support! We understand that as an essential tool for daily transportation, the stability and reliability of electric bicycles are paramount. Recently, we've noticed some users reporting sensor failures, abnormal gear pulsation, and indicator light issues. We take this matter very seriously and have developed comprehensive after-sales solutions to ensure your riding experience remains smooth and worry-free.

Problem Analysis and Solution

1. Sensor Failure
Possible Cause: After long-term use, the sensor may experience poor contact or signal abnormalities due to dust, moisture, or aging wiring.
Solution:
- Free Inspection: Our after-sales team will inspect the sensor wiring and connections and replace it if necessary.
- Waterproof and Dustproof Upgrade: The new sensor features improved sealing to reduce environmental impact. Existing users can enjoy a discounted upgrade.

2. Abnormal Gear pulsation
Possible Cause: Gear wear, insufficient lubrication, or misaligned gear system calibration.
Solution:
- Professional Tuning: Our after-sales engineers will recalibrate the gear system to ensure smooth gear operation.
- Free Lubrication and Maintenance: Regular maintenance can significantly reduce gear wear and extend service life.

3. Abnormally Flashing Indicator Light

Possible Cause: Poor circuit contact or temporary battery management system (BMS) malfunction.

Solution:

- System Diagnosis: Use specialized equipment to check the circuit and battery status, and repair or replace problematic components.

- Firmware Upgrade: Optimize the control system software to improve stability.

How to Contact Customer Service?

- Online Repair: Submit a work ticket on the official website and track progress in real time.

🤝 Customer Case | Testimonials of Dedicated Service
After contacting our customer service team, the buyer mentioned above quickly received a replacement sensor and gear adjustment guide. With our technical support, their issue was successfully resolved, and they subsequently provided positive feedback:

"The customer service response was incredibly quick. After receiving the parts, I easily completed the replacement following the instructions, and everything is now working perfectly. Thank you so much for VARUN's responsible attitude!"

VARUN always prioritizes customer satisfaction, and your feedback is our driving force for improvement. If you have any questions, please feel free to contact us. We will be happy to assist you!

Choosing VARUN isn't just about choosing a quality bike; it's about choosing a long-term, reliable brand partner.

VARUN Electric Bike After-Sales Team: support@varunebike.com