Motorcycle
Free PNG images in the category “Motorcycle”: 2 files with transparent background, no sign-up.
A red-and-black step-through motorbike set inside an ornate black bracket frame, and a white-and-blue sport underbone bike shot from the side with the wheels slightly turned.
Filters
Motorcycle within Transport
Bicycle covers pedal bikes, Vehicle the broad class of anything with an engine, Car the four-wheelers. Motorcycle is for two-wheelers with a motor: scooters, mopeds, sport and touring bikes, plus the riders and racing scenes around them.
Small commuter bikes
Both pictures show the light bikes that fill city streets across South-East Asia. The framed one is ready as a label or price tag; the plain cut-out drops straight into a dealer listing.
Picking a good file
Look for a clean cut around the spokes and mirrors, since that is where rough masks show first. A side view with both wheels visible is the most useful for spec sheets and comparisons.