If the helmet is required to withstand the impact, the lighter the better, then its weight should not exceed how many grams?
On the premise of ensuring safety performance, the lighter the weight of the helmet, the better to reduce the neck fatigue caused by the long wearing of the operator.
Small, along, along the winding along the safety helmet weight should not exceed 430 grams, along with a large helmet weight should not exceed 460 grams, cold proof helmet weight should not exceed 690 grams (above the weight requirements do not include additional components).
