Regulation 38

Check that your bicycle’s, three-wheeled pedal cycle’s or recumbent device’s front and back lights, brakes, tyres and chain are in safe working condition before setting off. Check the height of the bicycle’s, three-wheeled pedal cycle’s or recumbent device’s handlebars and seat. If you are unable to touch the ground with your foot on either side of the bicycle, three-wheeled pedal cycle or recumbent device, your seat is too high and you will not have full control of the bicycle, three-wheeled pedal cycle or recumbent device when coming to a sudden stop in an emergency.