ABSOLUTEBLACK OVAL 110mm 40T 5B CX 1X N/W BLACK KMC Three industrial sealed cartridge bearings

Three industrial sealed cartridge bearings

24mm (Shimano

Mounts to frame derailleur hanger

Dual piston actuated mechanical disc brake - both pads actuate providing even and precise clamping force

Micro Drive II chainrings are compatible with 1-piece and 22mm 3-piece BMX cranks

ABSOLUTEBLACK OVAL 110mm 40T 5B CX 1X N/W BLACK KMC Three industrial sealed cartridge bearingsReliable, light and darn good looking Designed for all Shimano 5 bolt cranks like Dura Ace 7950, Ultegra 6750, Shimano 105 5750 and many more Compatibility: Shimano Dura Ace 7950, Ultegra 6750, Shimano 105 5750, Tiagra 4650, FSA, Rotor 3D & 3D+, S works and many older cranks Oval chainrings have been shown to improve traction and reduce leg fatigue Narrow Wide tooth profile helps prevent dropped chains Expertly machined 7075 aluminum