Ideal for use with 8-Speed mountain bike (MTB) rear derailleurs, this shifter is suited to cross country, all-mountain and general trail riding. Plus, it's compatible with Shimano 8-Speed MTB drivetrain components. Key Features: Standard Twist Type Shifter for MTB 8-Speed Rear 8-Speed MTB gear shifter Right Side: Index Features: Model No.: MS29-8R Cassette Compatibility: 8 Speed Bracket Material: Composite Optical Gear Display: N Compatibility: Shimano 8 Speed MTB Shifters Compatible