ROLLER BEARING CLUTCH™'s one-way 3.0 roller clutch controls chain tension for consistent shifting | EXACT ACTUATION™ for fast and accurate shifts using SRAM's 1:1® actuation ratio (shifter cable travel: derailleur movement) | X-SYNC™ pulley features a 12-tooth design that helps control the chain's lateral movement | X-Horizon™ straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force | Cage Lock™ technology makes for fast wheel changes or chain installation | For use only with single chainring drivetrains
UPC: 710845807855