Warranty
1. Warranty and Guarantee
Within the warranty period: We provide free replacement parts for damages caused by non‑human factors. Only the cost of replacement parts is covered by warranty. Customers shall bear all shipping fees for replacement parts.
After the warranty period: Customers need to pay for both replacement parts and corresponding shipping fees.
All electric bicycles we sell are brand‑new factory products, and all replacement parts are original factory accessories.
Separately purchased accessories are sold at cost. Therefore, these accessories are not covered by warranty, except for DOA (Dead on Arrival) products.
2. Warranty coverage
| Item | Parts | Guarantee time | Service |
|---|---|---|---|
| Basic parts | Frame | 12 months | Free replacement for quality issues including natural deformation, open welding, desoldering and fracture caused by manufacturing defects. Self-modification and collision damage are excluded from warranty. |
| Basic parts | Front fork Components, Handlebars, Folding tubes, Saddle tubes | 12 months | Self-modification and collision damage are not covered by warranty. |
| Basic parts | Tire | 1 month | Warranty is only valid for inherent product quality defects. Damage caused by sharp object punctures, insufficient tire pressure, passing over speed bumps or road pits is not covered. |
| Basic parts | Saddles, plastic parts, brakes, brake rotors, brake pads, brake lines | 6 months | Collision damage, man-made damage and self-modification are not covered by warranty. |
| Basic parts | Bracket, Fenders, Rear racks, Pedals, Grips, Cranks, Chainrings, Front hubs, Rear hubs, Chains, Ringer Shifters, Rear derailleur, Rear derailleur protective cover, Flywheel, Shock absorber, Bell, Horn, Lifting Lug, Connecting Rod Piece | 6 months | Normal wear and tear, collision damage and man-made damage are not covered. |
| Electrics parts | Controllers, chargers, Main/auxiliary cables, Display (LCD screen), Front and Rear brakes, Accelerators, Brake Levels, Pedal assistance Sensors | 12 months | Free replacement for short circuit, burnout and performance failures caused by manufacturing defects. Water ingress, artificially cut cables, normal brake wear and man-made damage are excluded. |
| Electrics parts | Headlights, Taillights | 6 months | Normal wear and tear and man-made damage are not covered. |
| Motor parts | Motor | 12 months | Free replacement for quality faults such as coil phase loss, burnout, magnetic steel demagnetization and falling off, wheel shaft deformation. Hub deformation caused by insufficient tire pressure, speed bumps or road pits is not covered. |
| Motor parts | Motor hall, Motor bearing | 12 months | Cover burnt hall wires, abnormal noise and bearing rupture caused by quality problems. |
| Battery | Battery box, Battery top cover, Battery bottom cover, Battery | 12 months | Free replacement for poor contact, power failure, power storage failure and capacity drop below 60%. Note: The warranty period will not be recalculated for replaced batteries (the remaining original warranty time applies). Water damage and man-made damage are not covered. |
Non‑warranty situations
The following cases are not eligible for free warranty service:
- Failures caused by failure to use, maintain and adjust the product in accordance with the User Manual.
- Malfunctions caused by unauthorized disassembly, repair or self‑modification.
- Damage caused by improper use, improper storage or accidental collision.
- Costs incurred for repairs conducted by third‑party repair shops without our written approval.
- Slight scratches or damage to outer packaging during logistics transportation.
- Products returned without prior written approval from our team will not be accepted for refund or warranty service.
- Consumable parts (tires, saddles, plastic parts, brake series, etc.) and surface scratches are not covered by warranty.
3. How to apply for warranty
- Take photos or short videos to record the product fault.
- Send a detailed description of the problem, fault photos/videos, order number and purchase platform to our official email: info@junfu‑bike.com.
- Our team will diagnose the problem and provide solutions if the fault is confirmed.
- For complex faults that cannot be diagnosed initially, we will send you troubleshooting guidelines. Please complete the inspection as required and send us corresponding photos/videos, and we will arrange follow‑up solutions.
- We will verify your order information and delivery address, then reissue the qualified replacement accessories to you.