SRAM MRX Comp Twister 7-Speed Shifter:
Whether your ride of choice includes gently rolling terrain or fast down hill descents, the MRX will follow you there with crisp, positive response on your shifts.
The MRX Comp 7-Speed Rear Shifter, Shimano compatible, offers high-performance twist shifting, faster front and rear multiple shifts, SRS technology for smooth positive shifts, and visible in-line gear indication provides the rider with instant feedback.