SRAM RED Crank Arm Assembly - 160mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= Fat Bike 4 }Pirelli Scorpion SmarTube Tube -

}Pirelli Scorpion SmarTube Tube - 29 x 1

Sharp narrow tooth profile and rounded chamfer edges help manage a deflected chain

especially in hard or icy conditions

The Drop-Stop® tooth design is the best performing and longest lasting wide/narrow chainrings on the market

Multiple attachment options for added versatility

SRAM RED Crank Arm Assembly - 160mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= Fat Bike 4 }Pirelli Scorpion SmarTube Tube -SRAMs 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 160mm