SRAM X4 Rear Derailleur Long Cage 7/8 Speed

The X4 Rear Derailluer 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.1:1 Actuation RatioDi.R.T: Direct Route TechnologyLightweight materials6061 Alloy b-knuckleSteel/composite cage with replaceable pulleys8-SpeedWeight: 270g