SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black spoke-tensiometer Park Tool Shop Hammers Hammer

Park Tool Shop Hammers Hammer UPC: 763477004390

SRAM PG-1130 11 Speed Cassette Cassettes UPC: 710845770364

For dedicated gravity riders with a need for speed

Integrated (IS) assemblies feature chamfers molded inside the head-tube with no press-in cups

Zipp Rear Axle Conversion Kits Rear Axle Conversion Kit UPC: 710845768514

SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black spoke-tensiometer Park Tool Shop Hammers HammerProfessional 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