upgrade time is coming, what bb would I need to swap over my sugino 75's? this one https://www.sjscycles.co.uk/bottom-brackets/brompton-bb-cartridge-jis-for-spider-crankset-119mm/?sessionid=7dd7c47190c255870bd43e69001b12c56ba9ec2b
or something else?
But your cranks are ISO... Don't listen to that twit who insists Sugino 75s have a proprietary taper, absolute rubbish...
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upgrade time is coming, what bb would I need to swap over my sugino 75's?
this one
https://www.sjscycles.co.uk/bottom-brackets/brompton-bb-cartridge-jis-for-spider-crankset-119mm/?sessionid=7dd7c47190c255870bd43e69001b12c56ba9ec2b
or something else?