Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t MFPN=RRT1164X24BLK Employing Shimanos HOLLOWTECH technology the

Employing Shimanos HOLLOWTECH technology the FC-M8150 crank delivers optimal power transfer while reducing weight

}Zipp CeramicSpeed Bearing Kit - 61803 x1 61903 x1 For Sub-9/Super-9 Hub Shell

Axle length is compatible +/- 2mm

The ultimate combination of lightweight and reliability

Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t MFPN=RRT1164X24BLK Employing Shimanos HOLLOWTECH technology theShimano Dura Ace R9100 53t 110mm 11 Speed Chainring for 39 53t. 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