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KMC pinion for Bosch drivetrains are specially designed for use on e-bikes. With e-bikes, chain, chainring and pinions transfer the high driving forces on the rear wheel and are therefore subjected to high stress and excessive wear. The higher weight of bikes with electric assistance also contributes to this. Even with good maintenance of all components, they need to be replaced after a certain period of time.
· For NuVinci hubs
· Suitable for Bosch e-bike drivetrain
· Straight, not offset
· Teeth 15 / 18 / 19 / 20 or 21
· Chain pitch: ½“
· Chain inner width: 11/128“
· Material: CrMo steetl 1,9 mm
- Manufacturer`s ref.:
- Number of bolts:
- Front derailleur:
- Rear derailleur: