SRAM X01 Rear Derailleur - 11-Speed Medium Cage Black CheckoutSpec= 11.4118.069.002 K1 Wide (formerly Z-710): specially

K1 Wide (formerly Z-710): specially shaped

Performs well in all conditions

4" compound Race Formulation Graphene + Silica bead folding type tubeless color black weight 740g

SHAFT BOLT) - REVELATION A1-A4 (2010- 2017)

SRAM X01 Rear Derailleur - 11-Speed Medium Cage Black CheckoutSpec= 11.4118.069.002 K1 Wide (formerly Z-710): speciallySRAM 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