microSHIFT bar end shifters can work on TT bike, commuter bikes, and even work as down tube shifters. These versatile shifters have CNC-machined mechanisms that result in crisp shifting's you will love. Left side friction mode that works with double and triple. Work as bar end or down tube shifters. Include shift cables. Indexed or friction mode convertible rear shifter. Indexed mode is compatible with 8-speed mountain or road systems. Item Specifications: Double or Triple: Double,Triple, Drivetrain Speeds: 8, Front Der/Shifter Compatibility: Friction, Rear Der/Shifter Compatibility: Road, Mount Type: Bar End, End Type: /,