ST-R8170 Ultegra hydraulic Di2 STI for drop bar without E-tube wires,

• 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

Ordering Bikes to the UK
£25.00 delivery on all bikes orders to the UK

Please allow up to two weeks for bike deliveries

Ordering all other products to the UK
Orders under £200.00 - Standard Shipping £7.99
Orders over £200.00 - Free Shipping

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You may return new items that are unused and in original packaging,within 30 daysof delivery for a full refund minus our original shipping costs to get the goods to you is applicable. In the event we sent you the incorrect item(s) then we will pay the return shipping costs.

Please view our Returns Policy for full details

Found this bike at a better price somewhere else? We will try our best to match that price. Simply send us an email with a link or photo of the price and we will be in touch with our offer.

Email us at: servicecourse@saintpiran.co.uk