Shimano Tiagra ST-4703 3x10-Speed Shift/Brake Lever Set Black. Shimanos OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance SUPER SLR design makes use of a friction-reducing mechanism lever and cable that improves response and modulation Reach adjust mechanism allows for the lever to be adjusted for any hand size type of riding or individual preference Includes OT-SP41 derailleur cable and housing set