Originally Posted by
SquidPuppet
Nope. Different cranks are built slightly differently from other cranks. Slightly. But it matters. You want the tips of your chain ring teeth to be as close to 42mm from bike center as possible.
so if youre saying that they need to be close to 42mm from the centre. would it be better for me to put the bottom bracket back on the frame, with the cranks and measure how long that is? and then just buy a new shorter one? or is that just a bad idea