SRAM RED Crank Arm Assembly - 170mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutTitle=Lezyne Clik Floor Drive Pump Compatible with both 140mm and

Compatible with both 140mm and 160mm front and rear rotors

ACT Lab tested to UL 2849 & UL 2271 standards

Hollow bolt and low profile rear bumpers

Full carbon rim construction tubeless and hookless compatible

SRAM RED Crank Arm Assembly - 170mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutTitle=Lezyne Clik Floor Drive Pump Compatible with both 140mm andWhen SRAM found ways to make their lightest and stiffest crank even lighter they went for it. A new optimized layup drops 29g from the hollow carbon arms. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you. Carbon crank arms are 29g lighter than previous generation 8 bolt interface compatible with power and non power AXS spiders and integrated chainrings (Chainrings sold separately) Rings Sold Separately