Dirt bike, scooter and quad riders at the intersection of Auckland's Penrose Rd and Mt Wellington Highway on Tuesday. A gang of dirt bike riders were filmed riding in Pakuranga, with some not wearing helmets and others popping 'wheelies'. Police have attempted to crack down on illegal dirt bikes as they continue to plague residents across the country. Dangerous dirt bike riding has been an issue across Auckland that has frustrated residents for some time. “It is illegal to ride a dirt bike on the road unless it is roadworthy with a current warrant and registration.