US$ 21.37
shoei rf 1400 weight RF-1400 Beaut Helmet - TC-3 where aerodynamics and ventilation laptoplelo.com/wp-content/uploads/2021/08/i0_wp_co... Color:Light Blue / Red GTX3 Carbon
laptoplelo.com/wp-content/uploads/2021/08/i0_wp_co...
So this is as far as I can get
GTX3 Carbon
Color:Light Blue / Red
0.76 kg / 1.68 lbs
where aerodynamics and ventilation were examined and refined