Shimano Tiagra SL-4600 2-Speed Left Flat Bar Shifter



by Shimano

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


  • Adjustable Reach: No
  • Front Der/Shifter Compatibility: Shimano Road
  • Double or Triple: Double
  • Shifter Style: Trigger