If you use a rib protector when karting (which we highly recommend)

The display uses 16 grayscale levels so it can be read easily at high speed

Stabila bärhandtag + axelrem

and AMB — the holder from the manufacturer itself

Stilo HANS Zero 30° PriceGroup-25 If you use a ribThe Stilo HANS Zero 30 is an advanced neck restraint from Stilo, developed with the innovative ZERO technology also used in their ultralight ZERO helmets. The result is an extremely light HANS device weighing just 420 grams including straps. The device is designed to offer superior ergonomics and comfort, thanks to a raised lower collar that gives a better fit and reduced pressure against the body. The smart construction also ensures optimal belt