Its front shifter is ideal for use with both double and triple chainsets while the front and rear shifter are indexed for precise and reliable gear shifting performance. Key Features: Bar-End Shifters for 2/3 x 8 Speed Left side: micro-index Right side: Index / Friction transferable Aluminium shift lever Shimano Road and MTB 8 speed compatible Features: Series: R8 Model No.: BS-T08 Handlebar Type: Bar End Cassette Compatibility: 8 Speed Front Shifting: Double / Triple (micro Index) Rear Shifting: Index / Friction transferable Bracket Material: Aluminium Black painted Shift Lever Material: Anodized Cold Forged Aluminium Trimming Function for Front: Y Clamp Band: 19.0 - 22.0mm Shift Cable: Stainless Slick Weight: 162g Compatibility: Shimano 8 Speed Road and MTB Shifters Compatible