Shimano Dura-Ace FC-R9100 11 Speed Crankset C-class Note: Chainring bolts are not

Note: Chainring bolts are not included

some funky looking elements and of course a few 'X's here and there

NUT LENGTH: 10mm

The Dura-Ace R9100 series of flat mount disc brakes bring powerfully integrated brake performance to the highest rungs of road cycling

transferring all the energy produced by the cyclist to the asphalt

Shimano Dura-Ace FC-R9100 11 Speed Crankset C-class Note: Chainring bolts are notThe 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.