Shimano Dura Ace R9100 11 Spd ChainringShimano Dura Ace R9100 11 Speed Chainring Redesign the gear teeth profile to fit wider gear pitch Rider tuned gearing options Exclusive for Dura Ace R9100 cranksets 11 speed SIS compatible Outer chainrings are hollow forged and machined with integrated (blind) threads for optimized strength to weight Speed: 2x11 speed BCD: 110mm 4 Arm Asymmetrical

Compatibility: Schrader and Presta valves

while QuickBite2 enhances braking force with a specially polished disc surface for reliable

Includes lightweight composite matrix frame mount

taking Shimano’s Rider Tuned concept to an entirely new level

threaded hub axle that interfaces with separate derailleur and non-drive axle nuts (derailleur nut supplied with derailleur

High-grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475°F) and humidity

Rotor: Stainless steel / Aluminum

DoubleDown (DD) is the next step in the evolution of the dual-ply tyre casing for enduro and downhill racing

Minimum weight 28 grams

and steel seatposts

Includes 16g CO2 Cartridge

Crank length (mm): 170