Enduro Bearings Bottom Brackets - BB386 - ABEC 5

Upgrade you stock bottom bracket. Enduro bottom brackets are designed to spin more efficiently and for longer. Enduro's ABEC 5 is the next performance step up from the popular ABEC 3 range. By using military level, high precision HRC-64 hardended Grade 5 Chromium Steel Balls, and 52100 High-Carbon Chromium-Alloy mirror polished races. This combination allows Enduro's ABEC 5 bearings to use tolerances twice as tight as ABEC 3, and operate without any noise. The Graphite/Nylon ball retainers allow virtually frictionless movement and provide constant lubrication to maximise the life of the bearing.

• Fits BB386 frames 
• Lightweight, durable Delrin cups
• Durable 2437 Angular Contact Bearings

All out products are shipped by FedEx providing unprecedented reliability and speed.

Shipping on all domestic orders over $630 (excluding bikes and home trainers) for delivery within the UK is completely FREE!

Bike and Home Trainers and oversize Goods FREE - FedEX

To qualify for free shipping:

Your delivery address must be within the United Kingdom Mainland (Channel Islands, Isle of Mann and Scotish Isles are not Mainland)

Your order, after any discounts, must be $63 or over

For all other orders including those under $63 there is a postage charge of $10

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 endeavour to process your order within 5 working days, please contact us for more details