The HJC F100 Reff MC21 Modular Motorcycle Helmet combines a lightweight fiberglass composite shell with advanced impact resistance for dependable protection on the road. Designed for riders who want the flexibility of a modular helmet, this Small-size model features a streamlined profile, secure 3D contour fit, and comfort-focused interior construction. The HJC F100 is suitable for a range of street and touring applications where protection, ventilation, and adaptable visibility are important.
Its advanced channeling ventilation system uses aerodynamic airflow technology to help move air through the helmet and improve riding comfort. The HJ-45 visor provides 99% UV-A and UV-B protection and is Pinlock prepared for compatibility with an anti-fog insert. The compact visor mechanism incorporates an advanced rotation system and an adjustable sun shield mechanism, allowing the visor to extend by 8 mm for improved sun protection. Visor configuration varies by helmet size; this Small model uses the HJ-45A visor specification for XS through Medium sizing.
Removable and washable crown and cheek pads make it easier to maintain a clean, comfortable fit over time. The anti-bacterial fabric interior supports moisture wicking and quick drying, helping manage perspiration during daily commuting, touring, and extended rides. Manufactured by HJC and identified by vendor part number EH06NUS4321V, the F100 Reff MC21 is designed to fit riders requiring a Small modular motorcycle helmet. Verify your head measurement and HJC sizing guidance before purchase to confirm the proper fit.
Features:
- Fiberglass Composite Shell: Lightweight construction with high impact resistance for dependable motorcycle protection.
- Advanced Channeling Ventilation System: Aerodynamic airflow technology helps improve ventilation and riding comfort.
- HJ-45A Visor: Provides 99% UV-A and UV-B protection and is Pinlock prepared; used with XS through Medium helmet sizes.
- Compact Visor Mechanism: Durable mechanism with an advanced rotation system for smooth visor operation.
- Adjustable Sun Shield Mechanism: Allows the visor to extend by 8 mm for improved sun protection.
- 3D Contour Design: Supports a secure, comfortable fit around the rider’s head.
- Removable and Washable Interior: Crown and cheek pads can be removed for convenient cleaning and maintenance.
- Anti-Bacterial Fabric Interior: Helps wick moisture and promotes quick drying during rides.
- Fitment: Designed for riders requiring a Small HJC F100 modular motorcycle helmet; confirm head measurements using HJC sizing guidance.