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Bottom Bracket Type/Sizing
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TSCfree

Original Poster:

1,681 posts

260 months

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Friday 8th August 2014
quotequote all
I've just bought an old steel frame for winter fixed wheeled training. How do I work out the size/type of bottom bracket? Its a Reynolds 531 1978 Claud Butler frame so I'm assuming its a British/ISO thread?

gazza285

11,137 posts

237 months

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Saturday 9th August 2014
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No reason at all to believe it's anything other than a standard 68mm width ISO thread bottom bracket.

TSCfree

Original Poster:

1,681 posts

260 months

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[news]
Saturday 9th August 2014
quotequote all
gazza285 said:
No reason at all to believe it's anything other than a standard 68mm width ISO thread bottom bracket.
Cheers as I've not bought cranks or hubs yet is there a way of finding out what will or won't match and also how do I find out the spindle lengths?

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