Shimano Altus SL-M315 3×7-Speed Front/Rear Black Bicycle Trigger Shifter Set
New Shimano Altus SL-M315 3 X 7 Speed Trigger Shifter Set. 7-Speed Right Hand Trigger Shifter & 3-Speed Left Hand Trigger Shifter. Shimano Mountain Rear Derailleur & Shifter Compatibility. Includes: 3-Speed Left Hand Shifter, 7-Speed Right Hand Shifter, and housing and cables needed to install.