SRAM bottom bracket...
 

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SRAM bottom bracket compatibility

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I'm looking at a SRAM Rival 1 crankset, but I'd need a new BB. Would any GXP 68mm BSA do?

EDIT: The thing that's making me hesitate is that the SRAM docs say the crankset has a 30mm BB spindle interface, and the BBs I can see all seem to fit 24mm spindles.


 
Posted : 14/10/2023 4:07 pm
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I thought that Rival was standard GXP and is what I would have bought when mine needs replacing…

Isn’t 30mm DUB and it would have the preload nut on it if so, which my Rival cranks don’t have (but my MTB DUB cranks do).

I’ll keep an eye on this thread for an answer!


 
Posted : 14/10/2023 9:15 pm
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A lot of SRAM cranks came in both BB30 and GXP versions, before Dub, which is 29.8mm, BB30 would have a 30mm spindle, and won't fit a 68 frame


 
Posted : 14/10/2023 9:33 pm
Posts: 10225
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Sounds like an older bb30 crankset. CRC were knocking them out quite cheaply a few years ago in X01 flavour.

If you have a bsa screw in bb you’re better off with gxp or dub in Sram. Either that or go for Shimano 105 for a similar level of kit.


 
Posted : 14/10/2023 9:38 pm

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