Features:
1.Special material shock resistance: mountain bike helmet uses high-density, durable  EPS & PC. Integrated molding In-Mold technology is helpful to decrease the shock forces and protect cyclist's head during crash.
2.Good head circumference adjust system: the biking helmet goes with a standard size, equipped with the easy-use dial system and side straps make this cycle helmet adjustable to fit most cyclists both men and women. size: 54-62cm. weight: about 235g.
3.Excellent taillight and back up battery: bicycle helmet with led back light in the shape of diamond, which help people behind you clearly recognized your direction. a button in the middle of the light makes you turn it on easily.
4.Ventilation super comfortable: Integrated flow vents help to keep cyclists cool. meanwhile it is also helpful to increase the speed. the inner sponge lining can unpick to wash, comfortable and breathable. 
5.Detachable brim visor stylish design: cycling helmet with special design of sun visor shield provides shade when biking, so that you can enjoy cycling even in hot days, and you can take the visor off when you don't want it.
Notice:
Actual color may be slightly different from the image due to different monitor and light effect
Please allow 1-3cm deviation due to manual measurement
Description:
1.Product Name: Mountain Bike Riding Helmet
2.Material: PC shell, EPS internal
3.Size: One size (54-62cm) adjustable
4.Inner width: about 19cm
5.Technology: In-Mold
6.Color: 5 colors available
7.Weight: about 235g
8.Application: road, mountain bike, bicycle

Package List:
1 x  Mountain Bike Riding Helmet(Built-in button battery)