Road Traffic Act 1961
Cyclists holding on to other vehicles.
100.—(1) A person on a bicycle or a tricycle in a public place shall not hold on to any other vehicle (other than a pedal bicycle which no person is driving) which is in motion or hold on to any person or thing on, in or attached to any such vehicle.
(2) A person who contravenes subsection (1) of this section shall be guilty of an offence.