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Free UK Shipping Over £50 & Easy Returns





Free UK standard shipping on orders over £50
Experience the perfect balance of compliance and stiffness with the Crank Brothers Synthesis Alloy Enduro Wheel I9 Hub Front Wheel. Designed to enhance your mountain biking performance, this wheel combines a supple front with a stiff rear, optimizing ride characteristics for superior handling and control. Crafted from high-quality aluminium, it offers durability without compromising on weight, making it an excellent choice for serious riders.
The innovative design uses variations in spoke tension, weight, and count, as well as rim width and weight, to create a front wheel that improves cornering precision and a rear wheel that boosts stability and tracking at high speeds. With options tailored for Enduro, XC/Trail, and E-bike use, this wheel system caters to a wide range of riders seeking reliability and responsiveness on challenging trails.
Featuring Sapim D-Light spokes on the front and Sapim Race spokes on the rear, the wheel delivers strength and agility. The 31.5mm inner rim width on the front ensures excellent tire support, while the 28-spoke count maintains lightweight performance. Whether you're upgrading or building your custom setup, the Crank Brothers Synthesis Alloy Enduro Wheel is engineered to elevate your ride.
What makes the front and rear wheels different?
The front wheel is designed to be more compliant to improve handling and control in turns, while the rear wheel is stiffer to provide better stability and tracking at speed.
Can I use these wheels for custom builds?
Yes, the Enduro and XCT models offer rim-only options, allowing you to build a custom wheelset tailored to your preferences.
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.










