Featuring a left side micro-indexed shifter and a right-side index/friction transferable shifter, this shifter set is compatible with double and triple chainsets and Shimano mountain bike (MTB) 10-Speed gear transmissions. Key Features: Bar-End Shifters for 2/3 x 10 Speed Left side: micro-index Right side: Index / Friction transferable Shimano MTB 10 Speed System compatible More info