Item Specifications Color Black Spindle Interface Type Square Taper JIS Pedal Spindle 9/16" Chainring BCD Riveted Rings 50/34 BB Included No Crank Intended Use Road Defined Color Black Crank Length (mm) 170 Drivetrain Speeds 7 Drivetrain Speeds 8 Number of Chainrings Double Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay