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- ESP compatible (1:1 actuation ratio) for ESP trigger or twist shifters - Di.R.T (Direct Route Technology) for light-effort shifting performance - Forged alloy links and B-knuckle with Grilon composite P-knuckle - Titanium hardware and parallelogram return spring - Heat-treated, oversized pivot pins and sealed cartridge bearing pulleys - Carbon fiber outer cage with alloy inner cage (all models) - 8/9-speed compatible with top-normal resting position - "Select" color options have color-anodized B-bolt, inner cage, and outer parallelogram link, plus color-matched pad-print graphics on P-body



Sram X-0 Rear Derailleur 9/8 speed
254.00
Color and Cage Size