– Optimum Power Transfer
– Best Balance For Lighter Weight (-7G) And Efficiency
– New Designed Crank Arm
– Maintains High Rigidity And Reduces Weight
– Hollowglide
– 4-Arm Construction Crankset
– Adapted For Race Specific Disc Brake System
– Shorter Length Of Rear Center With O.L.D. 135mm
– Redesign The Gear Teeth Profile To Fit Wider Gear Pitch
– 50-34T/53-39T/54-42T/55-42T/52-36T
– Iconic Design
– Chain Line: 43.5