hjc 5xl modular helmet i90 Matte Black Size 3XL and the SuperCool interior—with removable crown and cheek pads—provides all HJC i90 Solid Modular Motorcycle

The net measure 22 x 24 and its 20 inches deep

This model has a long oval head shape and runs on the snug side for a race-fit

Nicholas Murray, an associate professor at the University of Nevada, Reno, who worked with his graduate student Kristen Quigley

It comes apart into 4 pieces for easy transport

Scott ARX Plus 99.99 / $120 / 130 / AU$160 as tested Removable visor to straddle road and gravel use 11 colours, with extra reflective detailing on the grey tested The Scott ARX Plus straddles road and gravel riding, with a removable visor for the latter

They work particularly well with slotted tungsten beads, which are specifically designed to fit the hook shape