Technical & Reference Section > Tech and Restoration

BB thread

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MartyC:
You could try Mavic or Campg road stuff, some of the early Euro BB's had French thread sizing, different TPI and opposite threading (tighten up the opposite way).

Marty  :daumenhoch:

sawzall:
i have a complete euro bb bearings shaft etc from a set of sr sakae 3 piece cranks dont know if this would be any good? for £5+post threaded cup is about 35mm diam :daumenhoch:

Frosty:
Sawzall,

I'll give it a go. How do I pay?

PM

Thanks

Paul

kdw712:
Jeez
just googled this and theres british italian french and swiss types

though reading on french and swiss are the same so are the british and italian  ???

the common one is british according to sheldon brown

http://www.sheldonbrown.com/gloss_e-f.html#euro

http://www.sheldonbrown.com/gloss_bo-z.html#british
 
so the answer is 1.375 (35mm) x 24 tpi  :D we hope ! :daumenhoch:
 

Frosty:
Cheers Kev,

I suspect that the isis cups are the same though and they wouldn't take to the thread. I'll have a closer inspection of the thread make sure they run true to the edge of the bb shell.

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