Stronglight JP400 Classic English Thread 115.5 mm Bottom Bracket

✓ Original part - in production from the 1990s to the 2000s
✓ Lightweight for the era - just 278 grams
✓ Professionally checked & cleaned
✓ Worldwide shipping

Stronglight JP400 bottom bracket, hailing from France and in production from the 1990s to the 2000s. Made from steel/aluminium and weighing in at 278 grams - pretty 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 too.

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

OVERVIEW


Bearing / Race Condition - Good
Production Era - 1990s & 2000s
Country - French
Material - Steel/Aluminium
Weight - 278 g
Stock Code - U-BB75C

TECHNICAL INFO


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

SHIPPING, TAXES & RETURNS
We've been safely sending orders around the world since 2010. Orders are carefully packed, sent with tracking & insurance, and normally collected around midday on Tuesdays and Fridays. Larger items may occasionally require an extra day or two to prepare.

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.

EU orders under €150 (excluding shipping) - import VAT and the new €3 customs duty are paid as part of your order, so there's nothing further to pay on delivery.

EU orders over €150 (excluding shipping) - import fees are payable to the carrier before delivery, with nothing collected at checkout.

USA orders - import fees are collected at checkout for all orders to the USA, so there won’t be any surprise charges when your order arrives.

Other international orders - local import fees may apply and are not collected by us. Please check your country's import rules before purchasing.

HELP SECTION

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 just by looking at the shape of the bottom bracket hole in your crankset. The square taper axle came in two variations; JIS which was produced for cranksets made in Asia and ISO for cranksets made in Europe, these taper down to a slightly smaller end than JIS axles. There are a few exceptions such as some Sugino cranksets that required an ISO axle and some older Dura-Ace cranksests which used a shorter 'low profile' variation of the JIS taper. Ofmega/Avocet also had their own variaton of the ISO taper which is not compatible with any other type.