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Parts for Old French Bikes From Harris Cyclery

We love old French bicycles,

but it can be hard to find parts for those built to older French standards and dimensions.
We stock repair parts to help keep yours on the road.

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Bottom Brackets | Brakes | Cotters | Handlebars

Headsets | Pedals | Rims | Tires & Tubes | Tools

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In addition to this commercial page, we have a very useful page of technical information and tips about older French bicycles.

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French-thread Bottom Brackets

Loose-Ball French Bottom Bracket Cup Set BBF37 buy button

They're back! Affordable, traditional bottom bracket cup set!

Cups, lock ring and retainer bearings, 35x1mm threads, Dual Right hand thread.

Fix that old Peugeot, Motobecane or Gitane on the cheap!

Click here for bottom bracket axles.




Many French bikes sold before the late 1970s used the now-obsolete French bottom-bracket threading: 35 mm x 1mm (1.378" x 25.4 TPI), right-hand thread on both sides.

Instead of the ISO standard threading: 1.370/1.375 x 24 TPI left-hand fixed cup, right hand adjustable cup. If your frame is made for a French-thread bottom bracket, a standard adjustable (right) cup will fit in, at least a little way but it will be very loose and will be unusable.

We were probably the last online source for loose-ball French bottom bracket parts, and the supply has just been replenished!.

Chainwheels

Some 5-bolt crank sizes:

"C-C" is the distance between adjacent stack bolts.
This is easier to measure directly than the actual Bolt Circle Diameter. Click on BCD size to see what we've got available
BCD
(mm)
Smallest
Ring
C-C
(mm)
Application
1444184.6Old Campagnolo standard, still used for track applications.
1303876.4Standard Road double
1283875.2Nervar (Obsolete, not available)
1223871.7Stronglight 93, others (Obsolete, not available)
1103364.7Touring double, standard triple outer
862850.5Stronglight 99, some SR triples. (Obsolete, not available)
A more comprehensive version of this chart is available on our Drive Train Page
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Informational Page about French Bikes
More French Parts from Harris Cyclery
French/English cycling dictionary
Cycling in France
Sheldon Brown's France Page
Articles by Sheldon Brown and others
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