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Free UK Shipping Over £50 & Easy Returns





Free UK standard shipping on orders over £50
The Shimano GRX ST-RX825 GRX Di2 2-speed STI paired with the BR-RX820 caliper offers an outstanding combination of precision, comfort, and control tailored specifically for gravel riding. Engineered with gravel-specific ergonomics, this component delivers optimized gearing options and a stable, quiet drivetrain that enhances your riding experience across diverse terrains. The hydraulic disc brake system ensures powerful and reliable stopping performance with minimal effort, making it ideal for challenging conditions.
Designed for enhanced grip and confidence, the higher brake lever axis and curved lever improve control on rough surfaces and descents. Additional features like the raised hood head and recessed finger notch prevent hand misalignment and slipping, while the anti-slip texture and brake lever coating reduce fatigue during long rides. Compatible with 12-speed E-tube Di2 systems, this kit includes the bled left-hand ST-RX825 STI, BR-RX820 flat mount rear brake caliper with pads, hose, and mineral oil, ready to elevate your gravel adventures.
Is this kit compatible with my existing Shimano Di2 setup?
Yes, the ST-RX825 STI lever and BR-RX820 caliper are compatible with 12-speed Shimano E-tube Di2 electronic shifting systems, ensuring smooth integration.
Does the kit include rotors or adapters for the brake caliper?
No, this kit contains the bled left-hand STI lever, rear brake caliper with pads, hose, and mineral oil, but rotors and adapters are not included and must be purchased separately.
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.






