Size Guide

HJC F31 Naby MC5SF Black Helmet

Introducing the HJC F31 Naby MC5SF Black helmet, now available at Moto Central, one of the largest UK retailers for HJC products. As a trusted distributor. The HJC F31 Naby MC5SF Black is the ideal choice for those looking for a sleek and stylish helmet that prioritises both comfort and safety on the road.

The HJC F31 Naby MC5SF Black combines a lightweight fibreglass composite shell with advanced CAD technology to provide superior fit and comfort. The Pinlock-ready visor, anti-scratch coating, and 99% UV protection ensure clear visibility in any conditions. The dynamic multi-step sun shield and two-way pivot mechanism offer enhanced versatility, while the ACS Advanced Channeling Ventilation System keeps you cool throughout your ride. Whether you're commuting or out for a weekend ride, this helmet delivers exceptional performance.

• Advanced Fibreglass Composite Shell: Lightweight and durable for enhanced protection
• Superior Fit & Comfort: Using advanced CAD technology for a custom fit
• 3 Shell Sizes: XS-S, M-L, XL-XXL for the perfect fit
• Pinlock Ready HJ-43 Visor: Anti-scratch coating and 99% UV protection
• Two-Way Pivot Mechanism: Smooth ratchet movement for better visor sealing
• Dynamic Multi-Step Sun Shield Mechanism: For optimal sun shield positioning
• ACS Advanced Channeling Ventilation System: Front-to-back airflow to reduce heat and humidity
• Maximum Air Intake: 3 intakes and 1 exhaust vent for optimal airflow
• Moisture-Wicking Interior: Keeps you dry during long rides
• Removable & Washable Cheek Pads: Easy to maintain for comfort
• One-Touch Micro Buckle Locking System: Ensures a secure and comfortable fit
• SMART HJC Bluetooth Ready: Compatible with 2nd Gen 11B, 21B & 50B (sold separately)
• ECE R22.06 Approved: Meets the latest European safety standards
• Pinlock: DKS563 for a clear, fog-free view