SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black MPFN-11.5378.803.002 MagnetiXchange system allows easy pad

MagnetiXchange system allows easy pad changes

Defined Color Gold Bottom Bracket Shell I

Featuring forged aluminum arms and SRAM's X-Glide chainrings this crankset is hits the sweet spot between weight durability and performance

Aluminum body with stainless steel braking surface designed to minimize brake noise

}SRAM 50 Teeth 110mm BCD 11-Speed Yaw Chainring Black with Silver Trim Use with 34T

SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black MPFN-11.5378.803.002 MagnetiXchange system allows easy padSRAM XX1 Rear Derailleur 11 Speed Medium Cage Black. Professional 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