Shimano 105 ST-5603 Dual Control Lever , Slate Black, 10-Speed, Triple

Ergonomic innovation is probably more critical to the higher standard of the new 10-speed S.T.I. levers than the added gearing. The narrower cradle-style perch welcomes the high-on-the-hood riding style and accommodates all sizes of hands. The shift internals borrow the robustness from our MTB technology which results in a smooth and effortless shift. Minimize