Shimano Dura-Ace ST-R9160 STI Shifter Left Di2 TT/Tri ROAD Featuring a “click and fire”

Featuring a “click and fire” two-button design

while Active Comfort Technology helps absorb road vibrations for a smoother

to help bikers be on full alert in the surroundings

is its flexibility

Women’s specific last for a natural

Shimano Dura-Ace ST-R9160 STI Shifter Left Di2 TT/Tri ROAD Featuring a “click and fire”With Di2 technology shifting is easy and precise just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. Features The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminants, corrosion, and stretching, and also provides effortless gear shifts Single button on each side of the shift lever only works with