Motorex Coolant M5.0 Ready To Use 4l 1.5 Introduced in 2013 it was

Introduced in 2013 it was the first motorcycle helmet ever manufactured incorporating technology that reduced angular acceleration and low-threshold impact energy transfer to the brain during crash impact

If you are looking for something with more of a stretch fit

For competition on mixed/hard terrain

the windproof

KLX 450R 09-22

Motorex Coolant M5.0 Ready To Use 4l 1.5 Introduced in 2013 it wasPre mixed M5. 0 Coolant 4 Litre. Extremely high boiling point over 205 degrees C 400 degrees F at 7psi. Extends cooling performance. Improves durability. Permits more spark without detonation. Facilitates maximum heat absorption. MOTOREX COOLANT M5. 0 Ready to use is based on ethylene glycol which is nitrite , phosphate and amine free. It meets the requirements of various manufacturers of high performance engines. In addition to outstanding antifreeze