New crank and bottom bracket
I'm looking to upgrade the gear set on my 80's Dawes Galaxy. I've found a tiagra gear set that i'm happy with and it comes with a matching bottom bracket. Will the bottom bracket fit my frame? If they're not universal, how can i tell which will?
Thanks for any advice
(i think i've already got my head around the rest of the gear set, it's just the bottom bracket i'm concerned about)
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