This post always neglect this and after a crank disassembly, the FD could not shift the fd to the large chain ring More specifically the crank has not been tightened well or got loose when this post used the bike. All this post had to do were: 1. tightened the crank bolt, 2, loosened the high adjustment screw of the FD adjustment screw.
It seems that with Campy super torque crank has this common problem. It does not fit most of the BB and there seems to be about 1 mm of play - hence the need for wave washer. But still there seems to be some side to side movement that is why sometimes the chain falls off. The video maker recommends using loctite to fix the crank.
Its all very detailed and all complicated that is why many just let their mechanic do the job; pay them well and let the mechanic do the worrying. That is why I had to bring the 10 mm hex crank bolt tightening too.
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