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Free UK Shipping Over £50 & Easy Returns



Free UK standard shipping on orders over £50
The Shimano CUES RD-U8020 rear derailleur is engineered for riders seeking reliability and smooth shifting on the trail. Featuring the SGS long cage design, this 11-speed Shadow+ derailleur combines durability with advanced technology to deliver consistent performance in varied terrain. Its robust aluminium bracket and plates ensure long-lasting resilience, while the wide link design and fluorine-coated bushings contribute to enhanced rigidity and reduced wear.
Equipped with Shimano’s LINKGLIDE technology, the derailleur offers up to 300% more durability than traditional Hyperglide drivetrains, maintaining smooth and precise gear changes even under demanding conditions. The Shadow Plus system reduces chain bounce by stabilizing the chain on rough trails, providing a more stable and confident ride. Compatible with 45T low sprockets and both LINKGLIDE and HG 11-speed chains, this derailleur is e-bike rated and designed to handle a total capacity of 48T with a maximum front difference of 14T.
For riders looking to configure a complete CUES groupset, Shimano offers a simple online tool to customize components based on bike type and desired speeds. This rear mech is ideal for mid-grade MTB enthusiasts who want a versatile, durable, and smooth-shifting transmission component that stands up to the rigors of trail riding.
Is the Shimano CUES RD-U8020 compatible with e-bikes?
Yes, this derailleur is rated for e-bike use, meaning it is built to handle the additional torque and demands of electric mountain bikes.
Can I use this derailleur with both LINKGLIDE and Hyperglide chains?
It is compatible with both LINKGLIDE and HG 11-speed chains, providing flexibility depending on your drivetrain setup.
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.
