Bike Forums - View Single Post - British threading vs ISO threading compatibility

04-30-24 | 06:30 AM

#9

DiTBho

Junior Member

Joined: Nov 2022

Posts: 143

Likes: 27

Bikes: Moser Forma/Campagnolo 8sp, Litespeed Classic/Campagnolo 8sp

how confusing it goes ...

Code:

        Crown Race         Headtube ID    Steerer OD    Steerer ID
JIS     27.0               30.0 mm        25.4 mm       22.2 mm
French  26.5 .. 27.0 mm    30.2 mm        25.0 mm       22.0 mm
BC1*    26.4               30.2 mm        25.4 mm       22.2 mm
Italian 26.5 .. 27.0 mm    30.2 mm        25.4 mm       22.2 mm

*BC1 = { British, English } referred by Campagnolo

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