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Shimano Deore BB Cups (£12):
[url= http://www.chainreactioncycles.com/Models.aspx?ModelID=34674 ]Deore BB[/url]
and
Shimano SLX BB Cups (£24):
[url= http://www.chainreactioncycles.com/Models.aspx?ModelID=41445 ]SLX BB[/url]
Presumaly the sealing is a bit better on the SLX? Anything else I should be aware of? Will be running it with SLX 9spd cranks FWIW. Can't see the SLX one last twice as long as the Deore (probably a bit longer, but twice?!).
Oli.
..or even XTR for 17 quid
http://www.rosebikes.co.uk/article/shimano-xtr-bottom-bracket-cups-hollowtech-ii-sm-bb90/aid:274227
seals and bearing quality.
have a look on rose bikes and get an XTR for £16 + post
Cheers! New chain is cheaper there too....
Don't forget the postage though 🙂