SRAM RED Crank Arm Assembly - 165mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 tire width-2.75-3.0 Generally do not spin as

Generally do not spin as smoothly as retainer bearings due to their maximum complement of ball bearings (MAX)

5" Rim Material Alloy Rim Width (Internal) 30 Tire Type Tubeless Ready Clincher Valve Presta Wheel Size 27

Shifter Style Trigger Drivetrain Speeds 9 Rear Der/Shifter Compatibility Shimano Mountain

30mm oversized axle

SRAM RED Crank Arm Assembly - 165mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 tire width-2.75-3.0 Generally do not spin asSRAMs lightest and stiffest crank arms Compatible with 8 bolt spiders, chainrings, and powermeters SRAM Model ID: FC RED ASSY E1 TECH SPECS BCD Direct Mount SRAM 8 Bolt Crank Arm Length 165mm