- 11-speed MTB rear derailleur
- Straight parallelogram design with horizontal movement reduces shift force and improves drivetrain performance
- Roller bearing clutch and cage lock
- Large upper pulley offset automatically adjusts chain gap
- New and improved Roller Bearing Clutch Design for 2015
- DER SRAM RR XX1 TYPE2.1 BLK 11s (F)
Max: 42
Cage/Mount: Mid
Ratio: 1to1
Color: BLK
Wgt: 220g
Type: Mechanical