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WTB TCS Tubeless Valves Tubeless Valves UPC: 714401950061
Park Tool Shop Hammers Hammer UPC: 763477004390
Wide cassette sprocket 11-42T
Interchangable with select Shimano and FSA BB systems
durability and performance
SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black spoke-tensiometer WTB TCS Tubeless Valves TubelessProfessional 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
