SRAM Red Crankset BB30 11-Speed 175 53/39 No BB C2

Top-of-the-line road crankset with carefully shaped Exogram hollow carbon fiber arms for high stiffness-to-weight ratio and sturdy chainrings optimized for the Yaw front derailleur. 7075 aluminum X-GlideR chainrings are stiff for reliable shifting and power transfer Graphics match SRAM Red eTap electronic components Q-factor is 145mm Hidden chainring bolt design saves weight and contributes to a sleek look Item Specifications Color Black Spindle Interface Type BB30/PF30 Pedal Spindle 9/16" Chainring BCD 130 Rings 53/39 BB Included No Crank Intended Use Road Defined Color Black Crank Length (mm) 175 Drivetrain Speeds 11 Number of Chainrings Double Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay