SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black/Red MFPN=BAA1035K } Unique forged alloy

} Unique forged alloy

Wide chainline design to fit the biggest gravel tires

Fast 3 hour charge via the included USB-C AC power charging adapter

Material Alloy Primary Color Grey Narrow-Wide Design X-Sync 2 Speed 12 BCD Direct Mount SRAM 3 Bolt Chainring Comp

SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black/Red MFPN=BAA1035K } Unique forged alloySRAM XX1 Rear Derailleur 11 Speed Medium Cage Black Red. 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