Stilo ST5 FN Carbon Carbon Racing Helmet - FIA8860 Size:59 The R-9240 works with wider

The R-9240 works with wider width side-mounting seats with a measurement at the side-mounting point of 440-427mm

but easily disconnected in the case of an emergency with just the slightest pressure from any angle

encloses a replaceable paper filter

the clear and easy to read gauge holds the pressure reading until it is released - no more bending over double trying to see the pressure

Clam-shell style opening is easy to use and roomy enough for any Stilo helmet

Stilo ST5 FN Carbon Carbon Racing Helmet - FIA8860 Size:59 The R-9240 works with widerThe Stilo ST5 FN Carbon FIA8860 2018 Helmet boasts an autoclaved medium tensile carbon construction, resulting in a remarkably lightweight and highly protective design. Ideal for open cockpit racing, this helmet exceeds the latest FIA 8860 2018 safety standards while offering unparalleled performance in terms of weight and aerodynamics. To reduce weight, electronic and side ports have been omitted, but this helmet is compatible with side and frontal