SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black spoke-tensiometer For dedicated gravity riders with

For dedicated gravity riders with a need for speed

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Interchangable with select Shimano and FSA BB systems

SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black spoke-tensiometer For dedicated gravity riders withProfessional grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation. 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 eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies