The Shimano Tiagra ST-4700 dual control lever set features Reach Adjust and and an ergonomic form to provide easy shifts and hand comfort.Shimano's OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistanceSUPER SLR design makes use of a friction-reducing mechanism lever and cable that improves response and modulationReach adjust mechanism allows for the lever to be adjusted for any hand size type of riding or individual preferenceIncludes OT-SP41 derailleur cable and housing set