Shimano ST-R8150 Ultegra Di2 STI for drop bar without E-tube wires, left hand 2022 Increased speed and efficiency for

Increased speed and efficiency for sprinting and solo riding

Lightweight aluminium frame with trail-friendly geometry

Rim weight: just 430gNo rim tape needed: still 60g less than a standard wheelsetLightweight flat spokes and ID360 freehub body

Their looks simply don’t match the aesthetic of your bike

Shimano ST-R8150 Ultegra Di2 STI for drop bar without E-tube wires, left hand 2022 Increased speed and efficiency forWith 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 gearFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear