Klein Bottom Bracket indentification

alfabruce

Dirt Disciple
Hi all,

Im trying to get an old klein back on the road but need a narrower BB to go single ring up front.

Can anyone help me identify if the one currently on there (125mm) is ISO or the other one?

Cheers

Tim
 

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Hi Remko,

Thanks for your reply. Which bit do I measure? Thats what Im not sure about. Ive looked at photos of JIS and ISo and cant tell the difference.

Cheers

Tim
 
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