I was chasing a problem with the BB of my 72 Raleigh Superbe and had the cotter out of the crank 10-15 times (the problem turned out to be a casting issue with the crank arm). That same cotter is in the crank today. I likely ride that bike more than my performance stuff as it has racks, saddlebags and a locking front fork- its very convenient and good for commuting. I would not have been able to do that without a cotter press.