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

Hit the trails with confidence in this Dunlop MTB helmet, sized for head circumferences of 55-58 cm and finished in a bold red-black colorway. The in-mold construction fuses a tough polycarbonate shell with high-density EPS foam to absorb impact, while the integrated visor shields your eyes from sun and debris. A rear dial adjuster lets you fine-tune the fit on the fly, and the quick-release buckle makes it easy to get on and off even with gloves. Multiple vents channel airflow to keep you cool on long climbs, and the removable padding can be washed to stay fresh ride after ride.

Key specifications

• Type: MTB (Mountain Bike) helmet
• Size: M (55-58 cm head circumference)
• Color: Red / Black
• Construction: In-mold (PC shell + EPS liner)
• Adjustability: Rear dial fit system
• Ventilation: Multi-vent design
• Visor: Integrated
• Chin strap: Adjustable with quick-release buckle
• Padding: Removable and washable
• Safety certification: CE EN 1078
• Target user: Adult, unisex

Why choose it

This helmet combines essential safety with everyday practicality. The in-mold build keeps weight low without compromising protection, and the dial adjuster ensures a snug, stable fit that won't shift on rough terrain. The integrated visor adds extra coverage from sun and rain, while the ventilated design helps prevent overheating during intense efforts. With a quick-release buckle and washable pads, it's easy to live with day after day.

Ideal use cases

• Mountain biking on singletrack and technical trails
• Trail riding and cross-country adventures
• Daily commuting in urban environments
• Recreational cycling on mixed surfaces

Good to know

The helmet meets CE EN 1078 safety standards, so you can ride with peace of mind. It's designed for adults but fits a wide range of head shapes thanks to the adjustable retention system. For best results, measure your head circumference before ordering to confirm the M size (55-58 cm) is right for you.