Originally Posted by
ThermionicScott
I think the main concern with skating/jamming comes when you're using really narrow chain ... on early cranks.
It's happened to me exactly twice using an 8-speed chain. Once, with a cheaper Sugino dvp-130 crank (on an '87 Schwinn Le Tour) and again with an SR Apex crank. Both times, a 5-speed chain corrected the problem.