For the Bosch Gen4 chainrings, KMC have designed a completely new tooth profile: It prevents the chain from falling off without forcing it onto the teeth. The result is the perfect balance of power and smooth running with a long service life.
- For Bosch Gen 3 Systems
- Direct Mount: 3mm offset
- Chainline: 47.5mm or 50.0mm
- Size: 1/2" X 11/128"
- Colour: Black
- Treatment: Hardened Chromoly steel
- Perfectly matched to KMC chains
- Compatible with all 1-8 speed (1/2"x3/32") and 9-12 speed (1/2"x11/128") chains
- Maximum efficiency which saves battery