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A new standard in external bearing performance
rain and other mountain bike abuse will wear cables and housing to the point where shifting drags
are provides for three or four classic rides within each region
Supplying quality bike tools since 1963
210 grams (400mm)
Sram X.4 8/9-spd Rear Derailleur bulky A new standard in externalThe 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