The Tiagra ST-4700 dual control lever set features Reach Adjust and and an ergonomic form that is compatible with 3x10 speed drivetrains.'s 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. ST-4703 levers are only compatible with RD-4700-GS rear derailleurs. Item Specifications: Brake Lever Actuation: Short Pull Super SLR, Color: Black, Front Der/Shifter Compatibility: Road, Double or Triple: Triple, Drivetrain Speeds: 10, Adjustable Reach: Yes, Rear Der/Shifter Compatibility: Road,