~ Where passion meets precision · Atelier Haarlem since 2010 ~
The DMD Retro comes in 3 shell sizes covering XS to 2XL (head circumference 53–64 cm). Measure your head horizontally around your forehead and over the tops of your ears. The removable, adjustable liner with Velcro attachment allows fine-tuning within each size. If you fall between sizes, size up or down to the nearest fit — the liner system accommodates minor variations.
ECE 22.06 is the latest European safety standard for motorcycle helmets. This certification confirms the DMD Retro has passed rigorous crash, durability, and finish tests. It guarantees your helmet meets the strictest requirements for protection and reliability — an essential assurance for safety on every ride.
Yes, the DMD Retro features a built-in recess in the liner specifically designed for comms units. You can install a compatible Bluetooth headset or intercom system without damaging the helmet. The liner and shell are engineered to accommodate standard mounting points, making integration seamless and discreet.
Yes, the liner is completely removable thanks to the Velcro attachment system. This makes cleaning straightforward — hand wash the liner with mild soapy water and air dry. It keeps the helmet fresh and hygienic, especially after intensive use or hot weather. Ensure the liner is fully dry before reattaching it.
Sin Fin is a classic, minimalist design that captures the essence of retro style. The finish is durable and engineered to maintain its beauty under varied weather conditions, including direct sunlight. Its subtle, elegant appearance gives your riding style character without loud graphics — ideal for purists who appreciate timeless aesthetics.
Sin Fin is a core design in the DMD Retro lineup and remains continuously available. This means you don't have to wait for a re-release and can order it whenever you're ready. If you're unsure about current stock, check our availability information or get in touch — we're happy to help.
More questions? View all FAQs
Experience the perfect marriage of vintage aesthetics and modern safety with the DMD Retro helmet Sin Fin. Inspired by iconic 1970s design, this open-face helmet is more than protective gear—it's a bold statement piece for riders who refuse to blend in.
Whether you're piloting a classic BMW, a carefully crafted cafe racer, or any vintage-inspired machine, this helmet elevates your ride with authentic retro charm.
Built with a fiberglass shell and approved to ECE 22.06 standards, the Sin Fin delivers reliable protection without compromising on style. The helmet features a luxurious washable lining with Velcro adjustments for a personalized fit, paired with a padded chin strap and secure Double D-ring closure.
For modern riders, integrated snaps accommodate visor attachments, and the helmet is Bluetooth-ready for seamless connectivity.
the DMD Sin Fin is crafted for discerning riders who value both heritage and comfort. Every detail—from the plush interior to the robust closure system—reflects a commitment to quality that respects the golden age of motorcycling while embracing contemporary convenience.
Experience the perfect marriage of vintage aesthetics and modern safety with the DMD Retro helmet Sin Fin. Inspired by iconic 1970s design, this open-face helmet is more than protective gear—it's a bold statement piece for riders who refuse to blend in.
Whether you're piloting a classic BMW, a carefully crafted cafe racer, or any vintage-inspired machine, this helmet elevates your ride with authentic retro charm.
Built with a fiberglass shell and approved to ECE 22.06 standards, the Sin Fin delivers reliable protection without compromising on style. The helmet features a luxurious washable lining with Velcro adjustments for a personalized fit, paired with a padded chin strap and secure Double D-ring closure.
For modern riders, integrated snaps accommodate visor attachments, and the helmet is Bluetooth-ready for seamless connectivity.
the DMD Sin Fin is crafted for discerning riders who value both heritage and comfort. Every detail—from the plush interior to the robust closure system—reflects a commitment to quality that respects the golden age of motorcycling while embracing contemporary convenience.
Delivery time: 3–5 business days
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