ST5 GT Carbon Racing Helmet (57 CM Medium) - FIA 8859 SA2020 Racing Helmet it is not the only

it is not the only source

1 certified and FIA 8858 approved

Spray Plate Nitrous/Fuel Jet Size Chart

This new and revised V2 header comes with a flex pipe and a 2

Upgraded 360* Thrust Bearing for extreme duty

ST5 GT Carbon Racing Helmet (57 CM Medium) - FIA 8859 SA2020 Racing Helmet it is not the onlyStilo ST5 GT carbon helmets are redesigned shells that optimize shell size, airflow, visibility, and weight, which means you get a better fit with more visibility in a comfortable to wear helmet. Plus, the carbon helmets are 50 60g lighter thanks to Stilo's Puro Super Smooth technology superior finish that removes the need for lacquer and also saves weight. Stilo ST5 GT carbon helmets are available in a range of sizes, and all are Snell SA2020 and FIA