✅【Please Note】This is a rough guide and NOT EXACT. The shape of your head is a important as the measurement you take, which may affect the final fit! The following sizes are an approximation and are based on average head sizes. In some case variations may occur.
✅【DOT APPROVED and HIGH DURABILITY】 DOT FMVSS 218 Approved for US Safety Standard. Royal M139 is motorcycle helmets for adults. Royal M139 helmet made of high quality ABS shell with Aerodynamic Design prevents buffeting and lifting. Upgeaded ABS material is lightweight, super heat resistance and corrosion resistance but durable. High density fully vents EPS liner to greatly absorb impact, reduce vibration
✅【ELEGANT DESIGN】M139 helmet's design is attractive, mature and sophisticated. M139 is suitable for all motorcyclists who want an elegant and safe product. M139 open face helmet is the most choice of young and classical adult.
✅【ANTISCRATCH VISOR】Royal M139 3/4 helmet is equiped fully for short trip or city tour. Visor is anti-scratch, non breakable, ensures wide angle view, UV protection, anti fog and reduces misting. Visor is designed cover the chin to block wind and dust. Wearing M139 helmet, Biker is always comfortable with 3 ventilation positions
✅【REMOVABLE and EFFECTIVELY】M139 motorcycle helmet with three removable liners, easy to wash so you can keep it as fresh as new and easy to install after washing. Inner Lining is equiped moisture resistant frabic, which is very good for protecting the helmet from odors and moisture. Double D-rings chin strap is not only an effective way but also very simple to secure a motorcycle helmet, which helps users easily open with one hand.
✅【DOT APPROVED and HIGH DURABILITY】 DOT FMVSS 218 Approved for US Safety Standard. Royal M139 is motorcycle helmets for adults. Royal M139 helmet made of high quality ABS shell with Aerodynamic Design prevents buffeting and lifting. Upgeaded ABS material is lightweight, super heat resistance and corrosion resistance but durable. High density fully vents EPS liner to greatly absorb impact, reduce vibration
✅【ELEGANT DESIGN】M139 helmet's design is attractive, mature and sophisticated. M139 is suitable for all motorcyclists who want an elegant and safe product. M139 open face helmet is the most choice of young and classical adult.
✅【ANTISCRATCH VISOR】Royal M139 3/4 helmet is equiped fully for short trip or city tour. Visor is anti-scratch, non breakable, ensures wide angle view, UV protection, anti fog and reduces misting. Visor is designed cover the chin to block wind and dust. Wearing M139 helmet, Biker is always comfortable with 3 ventilation positions
✅【REMOVABLE and EFFECTIVELY】M139 motorcycle helmet with three removable liners, easy to wash so you can keep it as fresh as new and easy to install after washing. Inner Lining is equiped moisture resistant frabic, which is very good for protecting the helmet from odors and moisture. Double D-rings chin strap is not only an effective way but also very simple to secure a motorcycle helmet, which helps users easily open with one hand.
