The product weighs only 60g. Small size design allow it put into the pocket easily. Press the power button to cycle through. The light is IPX4 waterproof. You don't need to worry if it rains or snows suddenly.
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VICTGOAL Adults Bike Helmet Visor LED Rear Light Men Women Cycling Helmet Road Bicycle Helmets MTB E-Bike Scotter Headgear M/L
Aliexpress UK
■ VENTS：16. ■ WEIGHT：M 520g L 530g. ■ INTERNAL SIZE：22 22cm.
eBay
Outdoor DH MTB Mountain Bike Cross country Bike Helmet Men's Light CE CPSC Safety Helmet Mountain bike Helmet Lightweight
Aliexpress UK
Elevate your cycling experience with the BatFox JC-005 Unisex Adult Cycle Helmet, designed to offer superior head protection during mountain biking and other cycling activities. This flexible and lightweight helmet is made of EPS material, ensuring optimum safety without compromising on comfort. Brand new with tags; EPS vented outer shell; Thumbwheel adjustable head cradle (58-62cm) with removable sweat pads; 4 point harness with quick release buckle; Rear light - cradle mounted, battery operation with on/off switch and 3 settings (flash, pulse and continuous); Detachable visor; EN1078:1997/A1:2005
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Air Cycling Helmet Safety Hat Outdoor Bicycle Mountain Bike Helmet Cycling Equipment Light Mountain Road Bike Helmet Cascos
Aliexpress UK
CAIRBULL light weight design. An all-round talent for the city jungle. As a consequence, longevity and long-lasting hygienic freshness is achieved. ■ Accessories Incl. Detachable Magnetic Goggle and Removable Sun Visor.
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Cycling Helmet Light Road Mtb Mountain Bike Bicycle Led Helmet L for Men Women Visored Bicycle Helmet Casco Accesorios
Aliexpress UK
Be seen in a rare flourescent colour.
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VICTGOAL Adults Bike Helmet Goggles LED Rear Light Men Women Cycling Helmet Road Bicycle Helmets MTB E-Bike Cap Scotter Headgear
Aliexpress UK
Uni-size Adult 54 - 61 cm. Little bit of storage wear to box. I can also provide accurate alternative estimates for your specific country. Fit System: TS+ Fit System. I always do my best to ensure every angle and any possible defect is covered.
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Cycling Helmet Light Road Mtb Mountain Bike Bicycle Led Helmet L for Men Women Visored Bicycle Helmet Casco Accesorios
Aliexpress UK
Applicable head circumference: 57-62cm.
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X-TIGER Bicycle Mountain Bike Helmet One-piece Road Bike Helmet Tour De France Anti-Stress Removable Ultra-Light Racing Helmet
Aliexpress UK
D3O Multi-point seismic safety system. S≈345±10g, M≈361±10g, L≈379±10g. S(15.5x18.5cm), M(17x20cm), L(17.5x21cm). Internal Size. S(51-55cm), M(55-58cm), L(58-61cm). M/L(54-61cm). Matte-White, Matte-Black, Matte-Black red, Matte-Green, Matte-Red Balck.
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4 Lamp Beads Bicycle Helmet Led Light Rechargeable Safety Taillight Bike Motorcycles Accessories Helmet Moto USB Helmet Light
Aliexpress UK