Sram X.4 8/9-spd Rear Derailleur bulky Reflective sidewall stripe increases your

Reflective sidewall stripe increases your visibility for oncoming motorists

Great for multisport workouts

DIAMETER: 31

Special wicking sponge draws solvent from the chain as it exits

snug cage perfect for rear mount hydration systems

Sram X.4 8/9-spd Rear Derailleur bulky Reflective sidewall stripe increases yourThe X4 Rear Derailleur combines the best elements of SRAM shifting with a stylish design in an affordable price point. Intelligent material selection yields a lightweight high performance derailleur. A compelling option for your 8 speed shifting needs. Speeds: 8 9 Weight: 325g Material: Alloy B knuckle, alloy outer link, Steel Composite cage w replaceable pulley wheels Bearings: Bushing Technology: 1: 1 actuation ratio, Direct Route Technology for