Bike Helmet, Lightweight Bicycle Helmet with Tail Light & Detachable Visor, 21 Vents Cycling Helmet for Adults, Mountain & Road Cycle Helmet for Men Women Adjustable Size 57-61cm

• 【Adjustable Head Circumference】TADPOLE bike helmet is suitable for different head sizes, and you can easily adjust the helmet with one hand. Our bicycle helmet fits for adult men and women with a head circumference of 22.4-24.0 inches (57-61cm).
• 【Durable & Impact-Resistant Material】This cycle helmet is made of imported high-density EPS foam and durable PC material. Its reinforcement effect is safer than the traditional helmets, which helps to absorb the impact and protect the head during riding.
• 【Bright Rear Light Helmet】Our bike helmet has a safety taillight with 3 flashing modes (always on mode/slow flashing mode/flashing mode). LED lights can help people behind you clearly identify your direction, making it safer to ride at night or in foggy days. When the battery runs out, please replace the CR2032 lithium metal battery in time.
• 【Optimal Ventilation and Lightweight】Cycling helmet adopts special aerodynamics and is designed with 21 vents to keep cool and dry, ensure the best airflow, effectively reduce air resistance and improve speed. The bike helmet weighs only 300g(0.66 lb), which is very comfortable and lightweight.
• 【Removable Sun Visor & Liner】With removable sun visor, the helmet can resist branches and protect your eyes from the sun and wind. You can remove it if you don’t need it. It is an ideal accessories for riders who fond of road cycling or mountain biking.