Campagnolo Centaur (BB6-CE5G) Triple Classic English 115.5 mm ISO Bottom Bracket

✓ Original part - produced in the 2000s
✓ Super lightweight for the era - only 242 grams!
✓ Professionally checked & cleaned
✓ Worldwide shipping

Campagnolo Centaur bottom bracket, hailing from Italy and in production during the 2000s. Made from aluminium/steel and weighing in at 242 grams - incredibly lightweight for a bottom bracket at that time. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.

The bottom bracket's been carefully cleaned, thoroughly checked by one of our mechanics and graded as excellent condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.


Bearing / Race Condition - Excellent
Model ID - BB6-CE5G
Production Era - 2000s
Country - Italian
Material - Aluminium / Steel
Weight - 242 g
Stock Code - U-BB130C


Thread Type - English Thread (British/ISO 1.37" x 24 TPI)
Axle Length - 115.5 mm
Axle Type - Square Taper ISO


We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.

We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.

We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.


Thread Type - this must match the bottom bracket thread on your frame. The 3 common thread types on classic and vintage bikes are English (also known as British or ISO), Italian & French, and are usually (not always!) found on frames built in their respective countries. If you're replacing a bottom bracket the cups should have the thread type stamped on one of them, if not there are a couple of things to look at; bottom bracket shell width (English & French = 68 mm, Italian = 70 mm) & drive side cup thread direction (English = left, Italian & French = right). The only curveball to watch out for here, although pretty uncommon, are Swiss threads (also found on some French frames, Motobecanes being one) which will have the same shell width & thread direction as an English thread frame but the actual thread pitch will be different. If none of the above matches what you have, there are a few lesser known varieties that will require some further research.

Axle Length - your crankset dictates the axle length you need and the recommendation should be used to avoid issues with chainline. If you're replacing a bottom bracket that works perfectly then this can be matched, otherwise you'll need to check the manufacturers spec, a good resource for older bikes is Velobase.

Axle Type - you can tell which type of axle you need by looking at the shape of the bottom bracket hole in your crankset. For square tapers, the ISO introduced a standard for European makers in the early 90s, JIS then did the same in Asia. Before then it was not so simple, and although there is a degree of interchangeability, the best way to make sure you have the right axle is to stick to the same brand from the same era, ideally the proprietary model.