Combined brake system
Combined brake system or CBS means:
(a) For motorcycle categories 3–1 and 3–3: a service brake system where at least two brakes on different wheels are actuated by the operation of a single control.
(b) For motorcycle categories 3–2 and 3–5: a service brake system where the brakes on all wheels are actuated by the operation of a single control.
(c) For motorcycle category 3–4: a service brake system where the brakes on at least the front and rear wheels are actuated by the operation of a single control. (If the rear wheel and the asymmetrical wheel are braked by the same brake system, this is regarded as the rear brake.)