Reliable, light and darn good looking Reliable, 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. Fits Sram Force and Red, Also fits Sram cranks that have 1 hidden chainring bolt like Force22, Red22 Oval chainrings have been shown to improve traction and reduce leg fatigue Narrow/Wide tooth profile helps prevent dropped chains Expertly machined 7075 aluminum Compatible with Di2 and Eagle 12 speed
