The Tiagra ST-4700 dual control lever features Reach Adjust and and an ergonomic form that is compatible with 10-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. OT-SP41. See Tech link below for compatibility info. Item Specifications: Brake Lever Actuation: Short Pull Super SLR, Double or Triple: Double, Color: Black, Includes Brake: No, Adjustable Reach: Yes, Front Der/Shifter Compatibility: Road,