{"product_id":"bicycle-helmet-for-road-cycling-commuting-21-ventilation-holes-wind-tunnel-design-with-adjustable-head-circumference-58-63cm-eps-impact-resistant-composite-shell-men-women-unisex-lightweight","title":"Bicycle Helmet for Road Cycling Commuting - 21 Ventilation Holes Wind Tunnel Design with Adjustable Head Circumference 58-63cm EPS Impact Resistant Composite Shell Men Women Unisex Lightweight","description":"\u003ch1\u003eBicycle Helmet for Road Cycling with 21 Ventilation Holes and Adjustable Fit\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3111898491_1802286273.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis bicycle helmet is engineered for cyclists who demand efficient cooling and aerodynamic performance on road rides or daily commutes. Featuring 21 ventilation holes designed using wind tunnel principles, it channels airflow to reduce heat buildup while minimising drag. The shell is made from high-grade PC colour plastic bonded with high-density EPS material, offering a combination of light weight and impact protection. With CE safety certification, it meets European standards for head protection. The adjustable head circumference regulator fits 58 to 63 cm, making it suitable for a wide range of adult head sizes. At just 240 g, this helmet is comfortable enough for extended rides without causing fatigue.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3111901455_1802286273.400x400.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe helmet is built around proven safety and ventilation principles, with a focus on practical everyday use for cycling enthusiasts.\u003c\/p\u003e\n\u003ch3\u003eVentilation and Aerodynamics\u003c\/h3\u003e\n\u003cp\u003eThe 21 ventilation holes follow wind tunnel design principles to reduce wind resistance while maintaining steady airflow. Each vent is shaped and angled to balance cooling with aerodynamic efficiency, helping riders stay comfortable during climbs or fast descents.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe outer shell uses high-grade PC colour plastic, providing a tough exterior that can disperse impact forces. Inside, high-density EPS material absorbs shock during a collision. The two layers are bonded together using a moulding process that ensures structural integrity without adding unnecessary weight.\u003c\/p\u003e\n\u003ch3\u003eSize and Adjustability\u003c\/h3\u003e\n\u003cp\u003eThe adjustable head circumference fits 58 to 63 cm, and the helmet also includes a professional regulator for fine-tuning. Internal dimensions are 18 cm width and 22 cm length, accommodating most adult head shapes. The chin strap and headband are designed for comfort, with a super wear-resistant pull buckle and removable Velcro lining for easy cleaning.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3113210625_1802286273.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis helmet is designed for road cycling, mountain biking, urban commuting, and recreational riding, offering versatile protection for a range of activities.\u003c\/p\u003e\n\u003ch3\u003eRoad Cycling and Commuting\u003c\/h3\u003e\n\u003cp\u003eOn road rides, the ventilation system helps regulate temperature during steady efforts or stop-start traffic. The lightweight construction reduces neck strain, making it practical for daily commutes or long weekend rides.\u003c\/p\u003e\n\u003ch3\u003eMountain and Trail Riding\u003c\/h3\u003e\n\u003cp\u003eFor off-road use, the EPS impact protection offers confidence on rough terrain. The secure fit from the adjustable regulator keeps the helmet stable over bumps and dips, while the shell resists minor abrasions from trail debris.\u003c\/p\u003e\n\u003ch3\u003eUrban and Leisure Use\u003c\/h3\u003e\n\u003cp\u003eAround town or on leisure rides, the helmet provides basic protection without feeling bulky. The variety of colour options allows riders to match their personal style or bike colour scheme.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3113261563_1802286273.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis helmet offers a practical balance of safety, ventilation, and adjustability at a competitive price point for everyday cyclists.\u003c\/p\u003e\n\u003ch3\u003eSafety and Certification\u003c\/h3\u003e\n\u003cp\u003eCE certification means the helmet has passed European safety tests. The dual-density construction—soft inner material for absorbing impact energy and hard outer shell for spreading forces—provides comprehensive protection as confirmed by the certification.\u003c\/p\u003e\n\u003ch3\u003eLightweight Comfort\u003c\/h3\u003e\n\u003cp\u003eAt 240 g, this is a lightweight helmet suited to all-day wear. The reduced weight, combined with 21 ventilation holes, helps prevent overheating and fatigue, allowing riders to focus on the road ahead.\u003c\/p\u003e\n\u003ch3\u003eCustomisable Fit and Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe adjustable head circumference and removable lining allow riders to achieve a personalised fit and keep the helmet clean. The Velcro lining can be removed and washed, extending the helmet's hygiene between rides.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3113261878_1802286273.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3113273306_1802286273.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3114279634_1802286273.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3114282285_1802286273.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3114285115_1802286273.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Bicycle helmet with 21 ventilation holes and adjustable fit, side view showing aerodynamic vents and chin strap\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US09\/7512\/2025-10-30\/original-image\/3114288303_1802286273.webp\"\u003e\u003c\/div\u003e","brand":"rjjw1z-8v","offers":[{"title":"Pink","offer_id":62547644940618,"sku":"CJYDQCZX00031-Pink","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Red and white","offer_id":62547644973386,"sku":"CJYDQCZX00031-Red and white","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Lanbaise","offer_id":62547645006154,"sku":"CJYDQCZX00031-Lanbaise","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":62547645038922,"sku":"CJYDQCZX00031-Orange","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":62547645071690,"sku":"CJYDQCZX00031-Yellow","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":62547645104458,"sku":"CJYDQCZX00031-Green","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Carbon black","offer_id":62547645137226,"sku":"CJYDQCZX00031-Carbon black","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":62547645169994,"sku":"CJYDQCZX00031-Blue","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":62547645202762,"sku":"CJYDQCZX00031-Red","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":62547645235530,"sku":"CJYDQCZX00031-Black","price":28.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/7041\/3642\/files\/3111901455_1802286273.400x400.webp?v=1782528982","url":"https:\/\/rjjw1z-8v.myshopify.com\/products\/bicycle-helmet-for-road-cycling-commuting-21-ventilation-holes-wind-tunnel-design-with-adjustable-head-circumference-58-63cm-eps-impact-resistant-composite-shell-men-women-unisex-lightweight","provider":"VitalSet.uk","version":"1.0","type":"link"}