Originally Posted by
Jarrett2
Installing a GXP BB/crank is really straight forward, so I assumed the OP knows how.
You basically just screw in the bottom bracket til its flush to the frame and then tighten it to 40nm. Push the drive side through and use an 8mm to tighten the NDS arm to 40nm. Really simple.
Did you make sure that the drive side ---> was pointing the correct way on installation?
That's the only thing I can think of other than a bad GXP BB. For $20, that's an easy replacement part.
Yes, but he NEEDS to install the spacers.
Page 9, step 2... read...
68 mm bottom bracket shells require one 2.5 mm spacer on each
side of the bottom bracket shell.
https://www.sram.com/sites/default/f...e_manual_0.pdf