Kmc Chain Ring Bosch Gen 4

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.Key features:perfectly tailored to narrow kmc chainshardened crno steelhigh efficiency, saves batteryextreme durability, highest precisionsimple conversionperfectly matched with kmc chainstech specssize: 1 2 x 11 128 colour: blacktreatment: hardened chromoly steelfor bosch 4 systemsdirect mount: 9mm offsete1, e12, e11, e10, e9 & e8 chains

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