custom motorcycle helmets flip up Modular Bluetooth Helmet Flip-up 58cm) L 22.9 inch to 23.6 inch(59 Modular Flip Up Motorcycle Helmets

The 360-degree ventilation provides superior airflow for all-day comfort, while Mips technology reduces rotational forces transmitted to the brain during impact

Aero helmets are generally not as well ventilated as more all-round models and this was the case with the RCR, although Van Rysel reckons that airflow improves in a head-up climbing position, without sacrificing aero performance once you set off downhill with your head down

Once we have these kits in hand, we first assess all of the items (including the case) for quality

This helps with rotational impacts by allowing the outer EPS shell to move up to 15mm over the inner liner