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Rings 50/39/30 Defined Color Gray Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Shimano Asymmetric Chainring BCD 74 Shimano Asymmetric Color Gray Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Drivetrain Speeds 10 Number of Chainrings Triple Crank Intended Use Road Pedal Spindle 9/16" BB Included No Crank Length (mm) 175
110mm asymmetric (ABS)
7 Specialized Lower Mount Eye to eye length (mm) 216 Lockout Switch Shock Mounted Switch Stroke (mm) 57 Weight 355 Eye to eye length (ins) 8
}Chromag Riza Stem - 38mm 31
Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=18077-13 Rings 50/39/30 Defined Color GrayShimano Dura Ace R9100 39t 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
