Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t ModelNumber=MWHISKY03 9 Material Carbon Defined Color

9 Material Carbon Defined Color Black Clamp Style Standard Rails Offset (mm) 0

Shimano 105 RD-5701 Rear DerailleursLarge 11-tooth pulleys with sealed bearing for smooth quiet running

}RockShox Vivid / Kage Coil Spring 450lb 7

Precision ramps and chamfers for rapid chain movement

6061-T6 alloy full CNC

Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t ModelNumber=MWHISKY03 9 Material Carbon Defined ColorShimano Dura Ace R9100 55t 110mm Chainring for 55 42t. This Shimano chainring allows you to update your Dura Ace FC R9100 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