Bottom bracket wanted

BB

Won't be a mucher for £14 then, the UN 54's are top quality for the money, I'd go for that, they last forever too!
 
I have split my old trek down and have a UN51 bottom bracket with metal cups both sides. not sure on the size tho (been ages since i was last into bikes)
I will look into it if you like?

Mart.
 

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