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Free UK Shipping Over £50 & Easy Returns


Free UK standard shipping on orders over £50
Discover precise control and enhanced riding comfort with the 2021 Basso Diamante -11 Deg stem in the 130mm size. Designed for road cycling enthusiasts, this stem perfectly balances stiffness and lightweight performance, ensuring your bike responds accurately to every steering input. Crafted by Basso, a trusted name in cycling components, it integrates seamlessly with your setup, offering both reliability and style.
This stem’s -11-degree angle allows for a more aggressive riding position, ideal for riders seeking improved aerodynamics without sacrificing handling. Its robust construction guarantees durability on demanding rides, while the 130mm length provides the right reach for optimal rider positioning. Whether upgrading your current road bike or building a new one, the Basso Diamante stem stands out as a premium choice for those who value precision and quality.
Explore more from Basso’s range of components to complement your setup, including handlebars and seatposts designed to enhance your cycling experience. Elevate your bike’s performance with parts engineered for excellence and built to last.
Is this stem compatible with all road bikes?
The 2021 Basso Diamante -11 Deg stem fits most standard road bike steerers, but it’s best to check your bike’s specifications or consult with a professional to ensure compatibility.
Can I adjust the stem angle?
This model comes with a fixed -11-degree angle designed for a specific riding position; angle adjustment is not possible without replacing the stem.
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.