Choosing The Right Size:
Adult bike sizes are normally referenced by frame size. Children’s bikes are usually referenced by wheel size.
It is sometimes worth considering a smaller frame with the saddle raised slightly in order to obtain a more comfortable reach.
The sizing charts below give a guide to bike sizes against inside leg measurements. The correct way to measure your inside leg is from your crotch to the floor making sure that your feet are flat on the ground.
Adult size guide by frame size to inside leg measurement:
Youth/Teenage by frame size to inside leg measurement:
3 to 9 years by frame and wheel size to inside leg measurement: