TIAGRA SL-4600 2-SPEED LEFT FLAT BAR SHIFTER

The Shimano SL-4600 flat bar shifter features Shimano's Super SLR technology, Instant and 2-Way Release functionality, and an optical gear display for clear visibility. * The Super SLR design makes use of a friction-reducing mechanism in the lever and cable that improves response and modulation * Rapidfire Plus technology allows for quick shifting, giving riders the ability to downshift three gears in one stroke * 2-Way Release means that shifts can be released with the pull of the index finger for push of the thumb * The Optical Gear Display allows you to quickly and easily see what gear you are in * OT-SP41 * Double or Triple: Double * Front Der/Shifter Compatibility: Shimano Road * Shifter Style: Trigger * Adjustable Reach: No