Leatt is better.
BELL helmet is an old brand. Although it is not one of the top three manufacturers, it is still one of the head brands. As a classic brand of American helmets, BELL's retro helmets are very stylish and stylish, and are very suitable for riders who ride American heavyweights such as Harleys. The workmanship is also excellent, and the anti-fog, ventilation, and protection are all in place. However, the disadvantage is that the inner shape of the helmet is narrow and long, which is suitable for European and American brain types. Asians will feel a pinch when wearing it, and a larger size will make the back of the head feel empty. , this is also the shortcoming of all European and American brands.
In addition to having a removable chin, Leatt’s 4.0 Enduro helmet also has 360° anti-roll technology, FIDLOCK and DH-certified safety levels. The helmet's chin removal is also tool-less, using a valve lock that resembles solid stainless steel.
The Leatt 4.0 Endurance Helmet features a lightweight polymer shell with Leatt's 360° rotation technology inside. This is a rotational impact protection system that works similarly to the MIPS system. Leatt says it can reduce peak brain acceleration by up to 30% and peak brain rotational acceleration by up to 40% in concussion-level impacts, making safety unquestionable.