shoei rf 1400 head shape RF-1400 Shakin' Speed Helmet Large while upward lift and drag were reduced in comparison to its predecessor Shoei RF-1400 Fortress Helmet -

[Source] A comprehensive study conducted in Taiwan, involving eight level-I trauma centers, focused on the impact of helmet types on head injuries

Together this combo was able to handle a wide range of applications ranging from dragging plastics to deep cranking

There are plenty of different options available for you when it comes to bike helmets, from different brands to shapes of the helmet

Stainless steel is a more ductile material, meaning it can deform under a sudden impact and is less likely to fracture

[5] Despite their success and market share, Shoei remains a relatively small company, with a workforce of under 800 people worldwide