Description
Upgrade your e‑bike’s performance with the 47.5 × 12.5 mm Planetary Gear – 35 Teeth, 10 mm Bearing Bore. Engineered from high‑strength nylon, this gear delivers smooth power transfer, reduced noise, and long‑lasting durability for Bafang 500W, 750W, and 1000W motors.
Why Choose This Planetary Gear?
- Precision‑Milled 35‑Tooth Design – Optimized tooth geometry ensures maximum torque transmission and minimal slippage.
- Lightweight Nylon Construction – Cuts rotational weight while resisting corrosion and wear, extending the life of your drivetrain.
- Perfect Fit – 47.5 mm outer diameter, 12.5 mm inner bore, and a 10 mm bearing bore match OEM specifications for seamless installation.
- Compatible with Bafang Motors – Ideal for 500W, 750W, and 1000W Bafang mid‑drive systems, making it a versatile upgrade for a wide range of e‑bikes.
- Quiet Operation – Nylon’s natural damping reduces gear noise, delivering a smoother, more enjoyable ride.
Key Benefits
- Enhanced power efficiency and acceleration.
- Reduced maintenance thanks to wear‑resistant material.
- Improved ride comfort with quieter gear engagement.
- Easy DIY installation – no special tools required.
- Cost‑effective performance boost compared to metal alternatives.
Installation Made Simple
1. Remove the existing gear and clean the bearing seat.
2. Align the new 35‑tooth nylon gear with the 10 mm bearing bore.
3. Press the gear onto the motor shaft until it seats firmly.
4. Re‑assemble the drivetrain and test for smooth operation.
Technical Specifications
- Outer Diameter: 47.5 mm
- Inner Bore: 12.5 mm
- Bearing Bore: 10 mm
- Tooth Count: 35
- Material: High‑strength Nylon (self‑lubricating)
- Weight: Approx. 45 g
- Compatible Motors: Bafang 500W, 750W, 1000W
Upgrade to the 47.5 × 12.5 mm Planetary Gear today and experience smoother, more powerful rides—perfect for commuters, trail riders, and anyone looking to get the most out of their electric bike.
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