Dunlop MTB Bicycle Helmet Adjustable Size M 55-58 cm Green-Black

Hit the trails with confidence in the Dunlop MTB helmet, sized for head circumferences of 55-58 cm. This green and black helmet combines rugged protection with all-day comfort, whether you're tackling rocky singletrack or cruising through the park. The adjustable dial fit system ensures a snug, personalized fit, while 15 vents keep airflow moving to prevent overheating on long climbs.

Key specifications

• Type: MTB bicycle helmet
• Size: M (55-58 cm head circumference)
• Colour: Green / Black
• Fit system: Adjustable dial
• Visor: Integrated sun visor
• Ventilation: 15 vents with multi-vent airflow system
• Construction: In-mold technology (polycarbonate shell with EPS liner)
• Padding: Removable and washable comfort pads
• Strap system: Adjustable chin strap with quick-release buckle
• Safety certification: CE EN 1078
• Weight: 280 g

Why choose it

The in-mold construction fuses the outer polycarbonate shell with the impact-absorbing EPS foam for reliable protection without excess weight. The integrated visor shields your eyes from sun and trail debris, while the quick-release buckle makes it easy to take the helmet on and off—even with gloves. Removable pads simplify cleaning after dusty rides.

Ideal use cases

• Mountain biking on technical terrain
• Trail riding and cross-country adventures
• Recreational cycling and daily commutes
• Adult riders seeking a secure, ventilated helmet

Good to know

The helmet meets CE EN 1078 safety standards for cycling, ensuring dependable protection. The adjustable dial allows fine-tuning for a stable fit across the 55-58 cm range, and the green-black colourway adds visibility on the trail. At just 280 grams, it won't weigh you down on longer rides.