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Experience unmatched performance and durability with the Enduro Bearings ITA - BB - XD15 Pro, crafted specifically for Italian-threaded framesets. This bottom bracket kit features Enduro’s premium XD-15 Ceramic-Hybrid bearings, engineered to deliver exceptional smoothness and longevity. Combining corrosion-proof, cryogenically treated nitrogen steel races with Grade 3 Silicon Nitride ceramic balls, these bearings offer superior resistance to wear and enhanced efficiency in power transfer.
Designed with deep-groove raceways to accommodate larger ceramic balls, the XD-15 setup maximizes contact area, resulting in improved performance and durability. The Kluber NBU52 grease used inside these bearings is uniquely formulated to improve with use, resisting washout and maintaining optimal lubrication by continually adhering to the bearing surfaces. This means your bottom bracket will not only feel fast and smooth from day one but will actually become more efficient over time.
Installation is straightforward with all necessary seals and spacers included, ensuring a professional and precise fit. Backed by Enduro’s unlimited lifetime bearing and race warranty, the XD15 Pro guarantees reliability and peace of mind for serious cyclists seeking to upgrade their transmission components.
Can the Enduro Bearings ITA - BB - XD15 Pro be used on standard English-threaded frames?
No, this bottom bracket is specifically designed for Italian-threaded frames. For English-threaded frames, consider exploring Enduro’s other bottom bracket options.
What axle sizes are supported?
This bottom bracket supports 24mm, 29mm, and 30mm axle sizes, accommodating a wide range of cranksets.
What makes the XD-15 bearings unique?
The XD-15 bearings combine cryogenically treated nitrogen steel races with Grade 3 Silicon Nitride ceramic balls, providing a hybrid setup that improves with use, becoming smoother and faster over time.
Is there a warranty on this product?
Yes, Enduro Bearings offers an unlimited lifetime bearing and race warranty for this bottom bracket, underscoring their confidence in the product’s durability and performance.
Where can I find compatible products and accessories?
Explore more from the Enduro Bearings collection and complement your setup with related components designed to optimize your bike’s transmission system.
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.

