Red Material: Exogram hollow carbon fiber arms. Chain Compatibility: 11-speed. Pedal Spindle: 9/16''. Bottom Bracket: Not included. SRAM Model ID: FC-RED-C2. Item Specifications: Chainring BCD, 110, BB Included, No, Chainline, 45.5mm, Tooth Count, 36/52, Crank Spindle Diameter, 24/22mm, Crank Length (mm), 170mm, Interface, GXP, Crank Arm Material, Carbon, Defined Color, Black, Drivetrain Speeds, 11, Type, Road,.
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