Shimano Tiagra 4600 Brake/Shift Levers, Drop Bar PairsLever combinations feature optical gear displays built into the lever bodiesReach adjustable through shims (4 or 8 degree spacers)Item Specifications- Left ShifterColorSilverFD/Shifter CompatibilityShimano Road TripleBrake Lever ActuationShort PullBrake Lever UseLeftItem Specifications- Right ShifterColorSilverCassette SpacingShimano RD 10Shifter/Derailleur CompatibilityShimanoBrake Lever ActuationShort PullBrake Lever UseRightCableRoadEnd TypeShimano/Sram