bottom brackets for sora hollowtech 3403
Comments
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any Shimano road HT2 BB cups will be fine. 105 or Ultegra are the obvious candidates.
see the usual suspects: Ribble, Parkers, ChainReaction et al
If you want to go daft then Hope, Acros also do road cups, with stainless or ceramic bearings.Facts are meaningless, you can use facts to prove anything that's remotely true! - Homer0