SRAM, Force1 Type 3.0, Rear derailleur, 11sp., Long, Black

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 ROLLER BEARING CLUTCH™’s one-way roller clutch controls chain tension for consistent shifting 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 SRAM Model ID: RD-FRC-1-A2