Shimano Dura-Ace FC-R9100 11 Speed Crankset Size:175mm Whether you’re preparing for a

Whether you’re preparing for a race

Bar Width (Min): 780mm

M (25 mm): for rims with internal width between 20 and 25 mm

Optimized for tires measuring 24mm-30mm

creating no harm to the sensitive latex innertubes

Shimano Dura-Ace FC-R9100 11 Speed Crankset Size:175mm Whether you’re preparing for aThe 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.