Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=18077-13 Misc Red/Orange Bottom Bracket Type

Misc Red/Orange Bottom Bracket Type 41mm/16 notch

NOTE: The following "RK" part numbers will not be compatible with the new Rear Disc Racks: RK0131 RK0121 RK0134

Color Jet Black Defined Color Black Fabric Weight Light Finger Style Full Finger Gender/Age Unisex Insulation Type None Padding Gel Season Warm Weather Size X-Large Activity Cycling

37 Defined Color Blue Spindle Interface Type Hope BSA30 Spindle Interface Type 386 EVO Spindle Interface Type 392 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type RaceFace/Easton CINCH Weight 112

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

Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=18077-13 Misc Red/Orange Bottom Bracket TypeShimano 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