SRAM Red Road/Track Cranksets Specs:BCD 130 Crank Arm Length 170mm Crank Spindle Diameter 30mm Interface BB386Evo Pedals Thread 9/16'' Teeth 39/53 Stem: radio Raceline cobalt toploader

Stem: radio Raceline cobalt toploader

Flexible fabricFour-way stretch lets you bend

designed for those who value both performance and style

Meets NOCSAE standards for all levels of play

Fabric: Cotton Twill

SRAM Red Road/Track Cranksets Specs:BCD 130 Crank Arm Length 170mm Crank Spindle Diameter 30mm Interface BB386Evo Pedals Thread 9/16'' Teeth 39/53 Stem: radio Raceline cobalt toploaderMaterial: Exogram hollow carbon fiber arms Chain Compatibility: 11 speed Pedal Spindle: 9 16'' Bottom Bracket: Not included SRAM Model ID: FC RED C2 Primary Color : Black Speed : 11 BB Inclusion : No Crankset Material : Carbon Drivetrain Spacing : Road Chainline : 45. 5mm