Modern helmet design means that your head is ~1.5 degrees cooler than if you are not wearing a helmet*, and the Kamm tail design means that you are also more aerodynamic with a helmet than without.
Therefore if you want to ride fast then a helmet is a logical piece of kit to wear.
Modern helmet design means that your head is ~1.5 degrees cooler than if you are not wearing a helmet*, and the Kamm tail design means that you are also more aerodynamic with a helmet than without.
Therefore if you want to ride fast then a helmet is a logical piece of kit to wear.
*Manufacturers claims, it is true