Would it be unsporting to use very short cranks in a medium gear event?
Probably. But I've got a set of Stronglight track cranks here that I'm going to machine down to 140mm now I've made myself the tooling for shortening cranks.
You do see where this oneupmanship is heading, don't you?
@Brommers started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
Would it be unsporting to use very short cranks in a medium gear event?