kosmonooit Posted April 12, 2010 Share Hi there,?Something I need clarification on please: is there any differences between the Truvativ GXP bottom bracket standard and all the others external bb's like hope etc (this is mtb)I am looking at the Truvativ Noir XC 3.3 Team GXP crankset, it specifies the GXP BB but I got a Hope external bb: is it going to work? Thanks. ? Link to comment Share on other sites More sharing options...
kosmonooit Posted April 12, 2010 Share Anyone? You got Noir XC crankset, what bb did you use? I thought the externals were all the sme bar width and thread but these adapters seem to suggest GXP are different. ? 2 x converter rings For making your Hope bottom brackets compatible with Truvativ GXP cranks. http://www.chainreactioncycles.com/Models.aspx?ModelID=26899 Link to comment Share on other sites More sharing options...
Nobody Posted April 12, 2010 Share I just got the chris king BB. Comes with adapters for truvativ. After 4 BB's from SRAM i am sick of replacing. Link to comment Share on other sites More sharing options...
kosmonooit Posted April 12, 2010 Share Thanks Nobody - whats the diffs then: Truvatic shaft thinner?I recently replaced my bb with Hope so what to keep that, guess I should find some adapters then. Link to comment Share on other sites More sharing options...
Nobody Posted April 12, 2010 Share The truvativ are tapered on the drive side. If you have the hopes already then you wont have to worry for a long time. They are servicable and parts readily available. http://www.rushsports.co.za/Browse/?category=8 Link to comment Share on other sites More sharing options...
Nobody Posted April 12, 2010 Share Oh yes, if you go the shimano crank route you just remove the adapters. Link to comment Share on other sites More sharing options...
kosmonooit Posted April 12, 2010 Share Thanks - ?any idea where I can get just the Truvativ GXP adapters for standard Shimano type bb locally? I already have nice new Hope bb that I want to use with the new cranks. Where is the best place to order Hope from locally?My 'old' Shimano XT cranks are going on my everyday mtb bike thats getting a rework after 8 years hard work, will need a new bb for that other option is a resonably priced bb with adapter. Then I will use the adapters as above, although I have an eye on a Hope bb for that as well. I searched CRC for a bb that includes GXP adapter but no luck, only the Hope Adapter set as mentioned above but no stock right now, and would like to get new cranks sorted for the Giants Castle ride, just that fact that the cranks are carbon will help with the mental aspect of the portage. Link to comment Share on other sites More sharing options...
kosmonooit Posted April 13, 2010 Share Sorted:? found Hope GXP Adapters at www.UKBikeStore.co.uk Link to comment Share on other sites More sharing options...
techguy Posted April 13, 2010 Share Hope is available from Grant Wallisser www.intltrade.co.za Link to comment Share on other sites More sharing options...
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