Stop lamps(break lights) must work in conjunction with either the front or the rear brake. Also it can be used with both breaks together. On bikes first used on or after 1 April 1986, the break lamps must function by the application of each system.

If the wheel alignment considered excessively wrong then a road test may be conducted at the testers discretion. This is to assess the effect on the handling of the combination. A tester may ride with the owner and make an decision about the wheel.

Motorbikes require one unobscured red reflector. This must be aligned to the vehicles longitudinal centre line. If a side car is attached this will also require a reflector fitted towards the nearside and positioned to reflect squarely to the rear.