I have swapped cranksets and there appears to be more end float in this crank than the previous, so, should I fit spacers and what is an allowable float.
OK, not familiar with the FSA stuff. Looks a bit like Shimano hollowtech but the lefthand crank is secured differently. I would expect no endfloat but minimal bearing preload. With the shimano system, if you can't adjust out endfloat with the star nut thingy in the left hand crank (i.e, the crank is bottoming out on the splines) then you have to add extra spacers behind the bearing cups between BB shell and cups.
OK, not familiar with the FSA stuff. Looks a bit like Shimano hollowtech but the lefthand crank is secured differently. I would expect no endfloat but minimal bearing preload. With the shimano system, if you can't adjust out endfloat with the star nut thingy in the left hand crank (i.e, the crank is bottoming out on the splines) then you have to add extra spacers behind the bearing cups between BB shell and cups.
You shouldn't have any play with a megaexo BB assuming you have it set up right - if you've added a shim and that's fixed the problem then great, but I'd be wary of the BB disintegrating - I had endless problems with the FSA threaded megaexo BBs - three in the space of a year just disintegrated.
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