1. The helmet strength is of no significance. The most important is that it fits the size and shape of the rider’s head.
  2. The helmet doesn’t have to be standard, but it should have an aerodynamic design, to reduce fuel consumption.
  3. The helmet should have a good ventilation system and as many fastening straps as possible.
  4. The helmet should be standard, provide full protection (also to the chin) and fit the size and shape of the rider’s head.