Shimano Ultegra Di2 R8170 Shifter ST-R8170

• High performance Ultegra wireless hydraulic servo wave disc brake Di2 sti's give you control, modulation and power with minimal effort in all riding conditions
• wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts
• 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
• full 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 mech will automatically correct to the appropriate ratio
• simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
• drop bar sti with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano sti
• hydraulic brake lever with servo wave provides excellent stopping power with less effort especially from the hood position
• hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear
• finely tuneable reach adjusters for the levers enable custom fitment for all hands
• levers use cr1632 batteries which last for approximately 1.5-2 years

All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £20 delivery fee.

Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.

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