ADJUSTABLE SIZE FUNCTION: Adult bike helmet with Dual Fit adjustable design, There is a adjusting knob at the back of the bike helmet, helping to adjust the head circumference. Adjustable Size: 22-24 inch (57- 61 cm).
VENTILATION 28 VENTS, LIGHT WEIGHT: Bike helmet special aerodynamic design and 28 breathable Vents, Effectively reduce air resistance and reduce sweating. The bike helmet (0.56-0.58 lb) will not cause any burden to the rider's head during cycling.
SAFETY PROTECTION: High-density imported PC case with superior technology will surely improve safe performance. Bicycle helmet with durable hard shell, soft pad can absorb the pressure caused by external impact. Adult wear Bike Helmet will feel Safer and more comfortable, it will protect your head in all directions.
REMOVABLE MAGNETIC GOGGLES VISOR: Detachable Magnetic Goggles Visor Shield can be used as a sunglasses, Not only protect your face against wind and sand, But also block the strong ultraviolet light, the goggles is Anti-UV400 protection, Easy to flip up or remove with one hand when cycling.
BRIGHT LED BACKLIGHT: 3 Flashing Mode Led Rear light, Steady, Slow flashing and fast flashing, much safer and Shine in Night Cycling, it will help riders behind you clearly recognized your direction. The Light used one CR1632 button battery, it is very easy to change the battery.