Off with their helmets! That’s been the cry from pundits who believe B.C.’s mandatory lid laws hamper interest in cycling and may clip the spokes of Vancouver’s long, long-awaited bike share program. Bike helmets seem like a sensible way to protect cyclists from motorists who treat bike lanes and crosswalks like disputed turf in a gang war. Still, many major cities axed helmet regulations for adults. The result has been more cyclists and no appreciable increase in injuries.