Shimano Dura-Ace FC-R9100 11 Speed Crankset Size:175mm the SM-BCR2 also serves as

the SM-BCR2 also serves as a PC linkage device for E-TUBE PROJECT firmware updates and settings

Caffélatex is a truly innovative tyre sealant

creativity

durability and ergonomics

Shimano Dura-Ace FC-R9100 11 Speed Crankset Size:175mm the SM-BCR2 also serves asThe choice of the world's best climbers, sprinters and time trialists, the Shimano Dura Ace FC R9100 11 Speed Crankset drops weight while maximizing power transfer. The design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options. Specifications Lengths: 165mm, 167. 5mm, 170mm, 172. 5mm, 175mm Combinations: 55 42T, 54 42T, 53 39T, 52 36T, 50 34T Chainline: 43.