SRAM X01 Rear Derailleur - 11-Speed Medium Cage Black CheckoutSpec= 42.2g 5mm Drivetrain Spacing Fat Bike

5mm Drivetrain Spacing Fat Bike Speed 11/12

and Racktime series rack bases

Mountain model fits bars with 18-21

The articulated sleeves and elastic cuffs ensure the optimal fit

SRAM X01 Rear Derailleur - 11-Speed Medium Cage Black CheckoutSpec= 42.2g 5mm Drivetrain Spacing Fat BikeSRAM X01 Rear Derailleur 11 Speed Medium Cage Black. Competition grade derailleur built with carbon fiber and aluminum featuring roller clutch pulley cage and cage lock feature for easy wheel installation. X Horizon design is specific to single chainring drive trains. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and