The high-performance Shimano Ultegra ST-R8170 Di2 STI Hydraulic Disc Brake Lever gives you control, modulation and power with minimal effort in all riding conditions. Wireless connectivity to the front and rear derailleurs deliver effortless trouble-free gear shifts.Shimano Ultegra ST-R8170 Di2 STI Hydraulic Disc Brake Lever FeaturesWith 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...
Best Price: £349.99 from Leisure Lakes Bikes