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Free UK Shipping Over £50 & Easy Returns





Free UK standard shipping on orders over £50
Experience unmatched control and precision with the Shimano Ultegra ST-R8171 hydraulic Di2 STI levers, designed specifically for drop bars and delivering wireless connectivity without the need for E-tube wires. These cutting-edge components combine hydraulic braking power with seamless electronic shifting, ensuring smooth gear changes and confident stopping in every riding condition. The lightweight yet robust construction offers an ergonomic fit with finely tuneable reach adjusters, making them suitable for all hand sizes and riding styles.
Equipped with the advanced Di2 technology, shifting becomes effortless and precise, allowing you to change gears with just a light touch, as soft as a mouse click. The fully programmable synchro and semi-synchro shifting modes enable a tailored experience where a single shifter controls both front and rear derailleurs, optimizing gear ratios automatically to match your cadence and terrain. Hydraulic Servo Wave brakes provide powerful and modulated stopping performance with less effort, especially from the hood position, and feature a hydraulic reservoir tank that auto-adjusts pad to rotor clearance, maintaining consistent braking as pads wear.
Designed for riders seeking high-performance components, these Shimano Ultegra ST-R8171 levers integrate seamlessly with other Shimano Ultegra family products and provide wireless reliability to enhance your ride. Their long-lasting CR1632 batteries ensure endurance, typically lasting 1.5 to 2 years, minimizing maintenance interruptions. Whether upgrading your road bike or building a new setup, these STI levers deliver superior transmission and braking performance for competitive and recreational cyclists alike.
Are these levers compatible with all Shimano Di2 derailleurs?
They are fully compatible with Shimano Ultegra Di2 front and rear derailleurs designed for wireless systems, but always check your specific groupset model for complete compatibility.
How often do I need to replace the batteries?
The CR1632 batteries typically last between 1.5 to 2 years depending on usage, providing long-term reliability with minimal maintenance.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.



