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Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts.
Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts.
Shimano

Shimano Ultegra ST-R8170 Hydraulic Di2 STI for Drop Bar Left Hand Dbl

£269.00 £349.99 23% off
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano Ultegra ST-R8170 Hydraulic Di2 STI for Drop Bar Left Hand Dbl

Brand:Shimano

Code:STR8170L

Shimano Ultegra ST-R810 Hydraulic Di2 STI for Drop Bar without E-Tube Wires Left Hand Double
  • 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
Sizing Information

General Unisex Brand Information

Professional Opinion

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