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- dafuli01@ebikeserviceparts.com
Universal composite plastic‑steel planetary repair gear for geared e‑bike hub motors. Compatible with Bafang, Ananda, Vinka, Aikema and more brands. Wear‑resistant aftermarket spare part for hub motor noise, slipping and gear damage repair.
Note: For Bafang RM G010.250.D, gear physical dimension must be 36‑Teeth, 38 mm outer diameter, 11‑12 mm thickness to achieve fitment. Compatibility depends 100% on physical gear dimension (teeth count, outer diameter, inner bore, height), not motor brand or model name only. Not for direct‑drive gear‑less hub motor.
| Parameter | Value |
|---|---|
| Gear Structure | Planetary repair gear (composite plastic‑steel) |
| Material | High‑strength plastic‑steel composite |
| Bearing | Pre‑installed ball bearing |
| Application | Repair for geared e‑bike hub motor, fix slipping, grinding noise and broken‑tooth failure |
3 × Universal Composite Plastic‑Steel Planetary Repair Gears (with pre‑installed bearings)
*Accessory washers included according to kit configuration
✅ Multi‑Brand Universal Compatibility: Aftermarket repair gear fits many geared hub motors including Bafang, Ananda, VINKA, Aikema. Confirm physical dimension prior to ordering.
✅ High‑Strength Plastic‑Steel Composite Material: Balanced toughness and wear‑resistance, good shock‑absorbing performance to buffer peak torque load during riding.
✅ Low‑Noise Operation: Composite material optimizes meshing noise during motor running, effectively improves abnormal grinding noise caused by worn‑out original gears.
✅ Pre‑Installed Bearing: Gear comes with matched ball bearing, convenient for direct overhaul installation.
✅ Cost‑Effective Aftermarket Repair Solution: Economical spare kit for replacing broken, worn or stripped original planetary gears, restores hub‑motor normal performance.
Brand: Aftermarket Universal
Product Name: Composite Plastic‑Steel Planetary Repair Gear Set
Material: Plastic‑steel composite
Structure: Planetary gear with pre‑installed ball bearing
Compatible Application: Geared e‑bike hub motor (Bafang / Ananda / VINKA / Aikema & dimension‑matched motors; RM G010.250.D under dimension requirement)
Not Applicable: Gear‑less direct‑drive hub motor
Color: As shown in the picture
Package: 3pcs planetary repair gears + matching washers
⚠️ Compatibility is determined by gear physical dimension (teeth count, OD, inner bore, height), not only motor brand or model. Please measure your original gear before placing order.
⚠️ For Bafang RM G010.250.D geared hub motor: your original gear must be 36‑Teeth, 38 mm OD, 11‑12 mm thickness to fit this repair gear.
Not suitable for gear‑less direct‑drive hub motors.
Minor color differences may appear due to lighting conditions and screen display variations.
Allow measurement tolerance of ±1‑3mm.
Only planetary gear set is included; hub motor, controller and other accessories shown on reference images are not contained in package.
We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.
For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
