Hissing noise on pedal downstroke
It only happens on the left pedal when I am pushing hard or out of the saddle, sprinting or going up a hill. When I spin the wheel while the bike is stationary there is no rubbing against the brakes at all and there seems to be a decent amount of clearance on both sides so I don't think that's the issue. I don't know what else it could be though. Could it be a small amount of air being pressed out of the tires on each downstroke when I apply a lot of power? My tires are inflated to about 100-110psi when I am outside. I weigh about 165 lbs.