SRAM TT900 Bar-End Shifters.Compatible with SRAM 10-speed road and mountain rear derailleurs and SRAM or Shimano 10-speed cassettesIncludes stainless steel cablesFriction front shifterThree-position adjustable friction front shifterInside diameter of handlebar must be at least 19mmItem SpecificationsWeight138gWeight138gCassette SpacingShimano RD 10FD/Shifter CompatibilitySRAM DoubleShifter/Derailleur CompatibilitySRAM 10End TypeShimano/Sram