Fixing A Bent Crank Spider
Campagnolo Nuovo Record crank and rings - right now, there is a bit of a wobble as you spin the crank (i'm guessing it's about 1-2mm and seems limited to one arm). It's not a lot but it means the chain rubs after shifting and the front shift lever has to be adjusted just a smidge.
Is it possible or advisable to bend the arms of the spider to make the chainring run true? Are they too brittle to reform? If this is do-able, how does one do it, with a flat-jawed wrench?
Could it be a bent chainring? After removal from crank, the ring should lay flat on a flat surface, correct?
Could it be improperly installed and torqued chainring bolts which caused a warp? I can remove the rings and check the runout on the spider arms.