SRAM X.4 Rear Derailleur
ESP compatible (1:1 actuation ratio) for ESP trigger or twist shifters. Di.R.T (Direct Route Technology) for light-effort shifting performance. Alloy outer link and B-knuckle with Grilon composite P-knuckle. Steel/composite cage with replaceable pulleys . 7/8-speed compatible with top-normal resting position.
Item Specifications:
Length:
SGS-long
Color:
black