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Free UK Shipping Over £50 & Easy Returns





Free UK standard shipping on orders over £50
The Mavic Cosmic SL 40 Wheels combine cutting-edge technology with refined design to deliver exceptional performance for road cyclists seeking speed, efficiency, and reliability. Featuring a 40mm NACA-inspired rim profile, these carbon wheels minimize aerodynamic drag while maintaining a lightweight structure that enhances acceleration and climbing ability. Built with Mavic’s advanced UST Tubeless technology, they provide a smoother ride with increased grip and reduced risk of punctures, making your road rides faster and more comfortable.
Designed with versatility in mind, the Cosmic SL 40 excels across various terrains, from flat roads to challenging climbs. The innovative iTgMAX brake track ensures superior braking performance in both wet and dry conditions, while the new spoke and hub design offers a lively, responsive feel. Crafted with 100% carbon fiber and handmade in Europe, these wheels represent the pinnacle of Mavic’s expertise, offering durability, stiffness, and efficiency for serious riders.
With a combination of low inertia, high lateral stiffness, and a rim bed shape that simplifies tyre mounting, the Cosmic SL 40 is engineered to maximize your cycling potential. The Infinity Hub design and QRM Auto bearing preload technology guarantee smooth power transfer and long-lasting precision, making every ride a confident and exhilarating experience.
Are these wheels compatible with tubeless tyres?
Yes, the Cosmic SL 40 wheels are equipped with UST Tubeless Ready rims, designed specifically to be used without inner tubes for improved rolling efficiency and puncture resistance.
Can I use these wheels with disc brakes?
No, these wheels are designed exclusively for rim brake systems and feature the iTgMAX brake track technology optimized for rim braking performance.
What is the recommended tyre pressure for these wheels?
The recommended tyre pressure varies depending on tyre width: maximum 6.75Bar/97PSI for minimum width 23mm tyres, and maximum 3.8Bar/55PSI for maximum width 62mm tyres.
How does the Infinity Hub Design benefit my ride?
The Infinity Hub offers ultra-reliable performance with optimized spoke tension and efficient power transfer, resulting in quicker acceleration and responsive handling.
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.




















