Find out your head circumference before trying on a helmet. The best way is placing a tape measure above eyebrow, which is the widest part of the head, and there’s the measurement.
When helmet is not in used, place it in a cool and dry place and avoid high temperature, humidity and heavy pressure with helmet bag.
After riding, simply wipe the shell with water to remove stains and mosquito, than wipe again with cleanser or alcohol. Waxing on shell maintains glossiness. If there is slight scratch, wipe it with toothpaste for improving.
Remove visor from helmet, wash it with clean water, and wipe with clean cotton cloth. Hard object is prohibited for visor. Hand touching on visor should be avoided. Any fingerprint on visor should be cleaned on time.
Most inner linings are detachable. Remove inner lining from helmet, soak it in water with laundry or dish soap, then gently rub, rinse off with clean water and dry by airing.
Check buckle regularly, clean it by brush and few drops of oil to keep the function smooth.
Generally 2-3 years, depending on using and maintenance conditions.
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Please stop using it and contact seller for service.
