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36T all‑steel planetary gear clutch assembly with 608Z bearings,70mm base for Bafang RM G010 SWXH SWXK outer‑rotor 250W/350W hub motor. Upgrade spare part replaces stock nylon gears, fits rear RM & front FM G010 series. Not for G020/G070/BBS motors.
This complete planetary gear clutch assembly is upgrade replacement spare part for Bafang classic outer‑rotor geared hub motor RM G010 series. Equipped with three solid steel 36T planetary gears pre‑installed with 608Z bearings and integrated one‑way clutch base. It upgrades the stock fragile nylon gear set, improves wear‑resistance and service life for city & folding e‑bikes.
✅ Rear outer‑rotor motor：RM G010.250.D(SWXH/SWXH2), RM G010.350.D(SWXK/SWXK2), SWXK5, SWXB, SWXP
✅ Front outer‑rotor motor：FM G010.250.D, FM G010.350.D
Important Exclusion: NOT compatible with RM G020(H400), inner‑rotor G070/H700, fat‑tire G060 series, nor BBS BBSHD mid‑drive motors.
| Parameter | Value |
|---|---|
| Gear Teeth | 36T per planetary gear |
| Planet Gear Outer Diameter | 38mm |
| Planet Gear Thickness | 11mm |
| Bearing | 608Z ball bearing (pre‑installed) |
| Clutch Base Outer Diameter | 70mm |
| Net Weight | 492g |
| Material | All‑steel planet gears + alloy clutch base |
| Function | Planetary reduction + integrated one‑way freewheel clutch |
1 × 36T Steel Planetary Gear Clutch Assembly (3pcs steel planet gears + clutch carrier with pre‑fitted 608Z bearings)
✅ All‑Steel Upgrade Structure: Replaces OEM nylon gears, greatly enhances torque resistance and anti‑wear performance, avoids common gear‑break failure.
✅ Pre‑mounted 608Z Bearings: Fully pre‑assembled unit, direct install without extra bearing purchase.
✅ Integrated One‑Way Freewheel Clutch: Realizes smooth manual coasting when no motor power output, same original freewheel function.
✅ Exact OEM Dimension: 70mm clutch base, fully matches RM G010 outer‑rotor motor housing, plug‑and‑play replacement.
✅ For 250W‑350W Outer‑Rotor Ebikes: Perfect for folding ebike and urban commuter ebike motor rebuild & repair.
Brand: After‑market compatible for Bafang
Product Name: 36T Steel Planetary Gear Clutch Assembly
Model: For RM G010 Outer‑Rotor Hub Motor
Material: Steel gear + alloy clutch base
Gear Spec: 36T, 38mm OD,11mm thickness
Bearing: 608Z pre‑installed
Clutch Base OD:70mm
Net Weight:492g
Compatible Motors: Bafang RM G010 / FM G010 outer‑rotor 250W‑350W hub motor(SWXH,SWXK,SWXK5,SWXB,SWXP)
Color: Metal silver as shown in picture Package Content:1 × complete planetary gear clutch assembly
Only fits Bafang RM/FM G010 outer‑rotor hub motor. Double‑check your motor model and rotor type before purchase. Apply high‑temperature ebike gear grease during installation for better service life. Minor color difference may exist due to shooting light. Only clutch assembly included; other accessories in reference images are not contained. Great spare stock for ebike repair shops, DIY rebuilders and wholesale distributors.
We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
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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.
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