SRAM X3 Rear Derailleur - (7-8spd) Long Cage Black

Sram:

SRAM X3 is a great beginners or light adventurers rear derailleur. The X3 rear derailleur sets the standard for opening price point shifting performance. Driven by SRAMs patented 1:1 Actutation ratio, the X3 offers an intelligent blend of performance and value.