Colnago created the ThreadFit82.5, aka ThreadFit, to make their oversized bottom brackets more durable. The T4530 bb threads into those 45mm diameter, 82.5mm wide shells and allows you to install 30mm diameter spindle cranks into your Colnago.
The cups have CeramicSpeed bearings pressed in, and then are threaded into the bb. There are two bearing options. The Standard Bearing has CeramicSpeed Balls and hardened-steel races. The Coated Bearing has the same balls running on a 3-micron thick coating placed on top of those hardened-steel races, which makes them faster and more durable.
In The Box
Frame & Axle: Internal / T45Thread: T45Color: RedMaterial: AlloyBearings: CS 61806 coatedCrank Compatibility: 30mm cranks. Spacers in kit.
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Shipping on all domestic orders over $620 (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 $62 or over
For all other orders including those under $62 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:firstname.lastname@example.org 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