Bicycling is certainly quiet. When I'm walking and a bicyclist passes me, I generally don't hear them coming until they're past. Likewise when I'm bicycling a

Bicycling is certainly quiet. When I'm walking and a bicyclist passes me, I generally don't hear them coming until they're past. Likewise when I'm bicycling around a pedestrian, they don't hear me unless I deliberately make noise. I do hear pedestrians.