What kind of BB is it? The cranks can creak if you have the wrong square taper or if the crank's soft alloy is slightly damaged and isn't fitting properly against whatever pattern/taper the BB is. It's pretty easy to damage an alloy crank especially if it's something like an ISIS drive system.
What kind of BB is it? The cranks can creak if you have the wrong square taper or if the crank's soft alloy is slightly damaged and isn't fitting properly against whatever pattern/taper the BB is. It's pretty easy to damage an alloy crank especially if it's something like an ISIS drive system.