Shimano Ultegra STR8170 12sp Hydro Disc Di2 STI w/R8170 Calipers

Shimano Ultegra STR8170 12sp Hydro Disc Di2 STI w/R8170 Calipers

Regular price RRP: £899.99 Sale price£728.59 Save 19%

🚚 FREE Standard UK Shipping on all orders over £20
Shimano Ultegra ST-R8170 12sp Hydro Disc Di2 STI Levers with R8170 Calipers

Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance
Unparalleled ergonomics engineering refined with pros' feedback - Raised hood peak improves ergonomics
Optimized brake control - Lighter, smoother lever action - Enhanced modulation thanks to an expanded braking control area
Compatible with wired and wireless connection
Available to additional satellite shifters
High electronic energy efficiency - 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries
Weight: 391g

We ship fast! Our stock levels are updated live and most orders placed before 14:00hrs are shipped same-day (Monday to Friday).

Each product page will show estimated dispatch times.


  • Standard UK shipping is FREE on all orders over £20.
  • Express shipping options are available on checkout.
  • We also offer Click & Collect from our Warehouse Mon to Fri 9:00 to 5:00 - kindly wait until we confirm your order is ready before visiting.


  • Europe standard shipping is £3.99 with an Express option available.
  • We have had to disable shipping to the EU. We hope to be able to resume shipping to more EU destinations shortly.


  • We have had to suspend shipping outside of the UK. We hope to be able to resume shipping worldwide shortly.

We offer a no-quibble 30-days refund policy*. There's no need to contact us before returning your item(s). Simply send it back to the following address:

Sprocket and Gear (Returns), Kingfisher Works, Tag Lane, Hare Hatch, RG10 9SH, United Kingdom

Be sure to include your order number and reason for return. Sorry, but we can't cover, or contribute to, the cost of the return.

* To read our full returns/refund policy please click here.


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Customer Reviews

Based on 1 review
Andy Cage
R8170 Shifter set

Delivered promptly. Packaged really well. Priced competitively. Will definitely order from here again.