^Once punched Jeff Kennett. Don't pick an e-fight
I'm well out of the game with new BB standards so I'm a little befuddled. The story goes, I've got a frame with a RaceFace BB92 pressfit BB. I inherited a set of Sram XX1 cranks (with out the BB). Are they Compatible? I put the drive side in and that appears to be ok but the non drive side end on the spindle doesn't seem to gain purchase on anything and is quite loose - I didn't install the non drive side arm. There are two red rubber bearing covers with the cranks, but I think they are for the matching SRAM GXP version of the Pressfit BB92 (or what ever they use). The spindle length of the cranks is correct for BB92. Obviously something is awry. I assume I'll need to buy a Sram GXP BB to suit, unless I'm missing something... ?