KMC Bosch Gen 4 Super Narrow Chainring

These chainrings from KMC are suitable for Bosch 4th generation motors.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 chainsHardened CrNo steelHigh efficiency, saves batteryExtreme durability, highest precisionSimple conversionPerfectly matched with KMC ChainsTech Specs:Size: 1/2" X 11/128"Colour: BlackTreatment: Hardened Chromoly steelFor Bosch 4 systemsDirect mount: 9mm offsetE1, E12, E11, E10, E9 & E8 chains