Key features

• •Safety matters most: Shinmax bike helmets are made of high-density imported pc case with top technology will surely improve safe performance include soft inner pad can absorb the pressure caused by external impact,the LED back light can warn others while cycling at night.
• •Magenetic goggles&Detachable sun visor: Detachable Magnetic Goggles Visor Shield can be used as a sunglasse(UV400 protection), Not only protect your face against wind and sand, But also block the strong ultraviolet light . Our bicycle Helmet also can used with a single sun visor or both visor and goggles. One helmet can meet your requirements for mountain bike and road bike cycling(the goggles is gray,if you need to buy a shield with yellow or clear, please search "B08P318C6L".)
• •USB rechargeable Led rear light: Shinmax mountain bike helmet included plug-in usb rechargeable led light(Last at least 30+ hours in full charged),3 safety lighting modes- steady, slow flashing and fast flashing which help riders behind you clearly recognized your direction, more Safer in night cycling. the strip of the bicycle helmet is also reflective,provide double protection for us riders.
• •Size adjustable function: Adult bike helmet with dual fit adjustable design, there is a adjusting knob at the back of the bike helmet, help to adjust the head circumference loose or tight by yourself. Adjustable size: 22.4-24.4 inch (57- 62 cm)
• •21 ventilation vents and lightweight: Climbing helmet in special aerodynamic design and 21 breathable vents, effectively reduce air resistance and reduce sweating. super lightweight 440g (0.97 lb) bike helmet no more burden! (what you can get:a helmet with LED light,a visor,a goggle,a backpack and an USB cable)