Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=00.7115.004.020 41 BB/Frame Interface BB92 BB

41 BB/Frame Interface BB92 BB Shell Width (mm) 83 Defined Color Black

Hyperon Ultra wheels are designed for the most refined and demanding cyclists

8sp 28 39 Mid 2to1 SIL 279g

Three-mode TwinLoc control

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=00.7115.004.020 41 BB/Frame Interface BB92 BBThis Shimano chainring allows you to update your Dura Ace FC 9000 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt design with a BCD of 110 mm Ideal for road cycling Ring Position Type Outer Tooth