KMC direct mount chainring, Bosch Gen. 417 August 2025
KMC direct mount chainring, Bosch Gen. 4
Suitable for Bosch 4th generation motors, these KMC chainrings are guaranteed to last a minimum of 3500km. Combining these with KMC’s E chains to extend the life of your chain and chainring even further. Longer lasting, quality material and unparalleled gear changes.
Features
- Perfectly tailored to narrow KMC chains
- Hardened CrNo steel
- High efficiency, saves battery
- Extreme durability, highest precision
- Simple conversion
- Perfectly matched with KMC Chains
Tech Specs
- Size: 1/2″ X 11/128″
- Colour: Black
- Treatment: Hardened Chromoly steel
- For Bosch 4 systems
- Direct mount: 9mm offset
E1, E12, E11, E10, E9 & E8 chains
Teeth | 34t, 38t |
---|---|
Chainline | 47.5mm, 50mm w/spacer, 52mm, 52mm w/spacer |