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couldnt see what justified the lower price on the newer 300
Seems to be down to using third party bearing cartridges rather than Shimano making the bearings. As a result, the axle doesn't need to be hardened and ground to create the inner races.
gbj_tester-
@snottyotter agreed
@gbj_tester that's the info i was after. Cheers
sacredhart
Thanks @fizzy.bleach
I'd read through that page, I was wondering what justified the price difference
Found this which has some info
https://bicycles.stackexchange.com/questions/68706/information-regarding-un300-and-un100-new-shimano-bottom-brackets