Shimano SW-R671-L TT Bar Left Shift Switch – 2-button design with fitted electric wire (620 mm length). Designed for time trial handlebars for precise, effortless electronic shifting.
Fits any hydration system using 3/8'' tubing
Allows 70-100% more water flow than other brands
Internal O-Ring seals valve completely to eliminate leakage
Tough polycarbonate material that won't bite close while drinking