Sram X01 Type 2.1 Rear Derailleur 11 Speed Long Cage X-Sync Black
Features
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
X-Sync 12-tooth pulley design reduces noise and maximizes chain control by alternating wide/narrow teeth to mirror chain profile, while upper pulley offset maintains chain gap to cassette
Forged aluminum links, B-knuckle, and inner cage with a carbon fiber outer cage
Aluminum and stainless hardware with sealed cartridge bearing pulleys
Roller bearing clutch eliminates derailleur bounce and chain slap
Cage Lock feature simplifies wheel removal and chain installation
Must be used with SRAM 1x11 shifter and cassette
Cannot be used with double or triple chainrings
Largest Cog: 42
Mfr Claimed Weight
TBC