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 SRAM's patented 1:1 Actutation ratio, the X3 offers an intelligent blend of performance and value.
Technology: 1:1® actuation ratio and Direct Route Technology for lighter effort shifting. Speeds: 7/8.
Compatibility: SRAM 1:1 actuation ratio shifters (triggers and twisters) only!
Material: upper head: steel
lower body: Grilon
cage: steel, composite