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Free UK Shipping Over £50 & Easy Returns



Free UK standard shipping on orders over £50
The Praxis - SPARE - Conv BB O-Ring is a precision-engineered component designed to enhance the performance and reliability of your bottom bracket assembly. Crafted by Praxis Works, this o-ring is an essential spare part that ensures a secure and adaptable fit within Shimano Hollowtech II bottom bracket converters. Its innovative design compensates for frame shell width discrepancies, maintaining optimal alignment and preventing unwanted movement during rides.
Built to integrate seamlessly with BB30, PF30, and Specialized OSBB road frames, this o-ring works in harmony with Praxis’s patented collet system. The compressible o-ring absorbs slight variations in frame dimensions, helping to distribute pressure evenly and guarantee a super tight, vibration-free connection. This means smoother pedaling, enhanced rigidity, and more efficient power transfer, all contributing to a more enjoyable and reliable cycling experience.
Durable and engineered to exacting standards, the Praxis spare o-ring is the perfect replacement part to keep your bottom bracket converter functioning flawlessly over time. Whether you’re a dedicated road cyclist or a mechanic looking to maintain top-tier components, this spare o-ring is a small but critical element that makes a big difference in drivetrain performance and longevity.
What does this o-ring do in the bottom bracket assembly?
The o-ring acts as a compressible seal and spacer that compensates for slight differences in frame shell width, ensuring that the bottom bracket converter fits perfectly and maintains proper bearing alignment.
Can I use this o-ring with any bottom bracket converter?
No, it is specifically designed for use with Praxis Works Shimano Hollowtech II bottom bracket converters and compatible frame standards like BB30, PF30, and Specialized OSBB.
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.
