Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t MFPN=RRT1164X24BLK Axle length is compatible +/-

Axle length is compatible +/- 2mm

Color Black/Red Bottle Type Standard Access Style Top Weight 40 Mount Type Bolt-On Material Composite Defined Color Red

}DT Swiss Rear End Caps - 12 x 142/148mm Road 11 Speed 180 240 350

The ultimate combination of lightweight and reliability

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

Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t MFPN=RRT1164X24BLK Axle length is compatible +/-Shimano 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