The Bell 4Forty SOLID MIPS MTB Helmet is a fully-featured, hard-shell trail helmet built for riders who want serious all-day comfort, extended rear coverage, and reliable MIPS protection at an accessible price point. With 15 total vents and internal air channelling, it delivers consistent full-head airflow even on the toughest climbs. MIPS® Evolve is integrated directly into the Float Fit™ retention system for a compact, close-fitting helmet that sits low and stays securely in place. The clean SOLID colourway is available in multiple options — Black, Blue Atoll, and White — giving riders a sleek, versatile look that pairs with any kit. A 4-position GoggleGuide™ visor, Sweat Guide™ padding, and Ionic+™ antimicrobial liner make this a complete package for the everyday trail rider.
- MIPS® Evolve system integrates the slip plane into the Float Fit™ retention system to help reduce rotational forces in certain impacts
- Full hard-shell Fusion In-Mold Polycarbonate construction with extended rear coverage for confidence on technical terrain
- 15 total vents with internal air channelling for consistent full-head airflow throughout the ride
- Float Fit™ retention system — lightweight, easy-to-turn dial for precise one-handed fit adjustments with MIPS integrated
- GoggleGuide™ 4-position adjustable visor for sun protection and goggle storage
- Sweat Guide™ pad design pulls moisture away from the brow and away from eyewear
- Ionic+™ antimicrobial padding uses silver yarn for long-lasting odour control
- No-Twist Tri-Glides™ keep straps flat and properly positioned throughout the ride
- Certifications: CE EN 1078, US CPSC, NTA 8776 (e-bike), AS/NZ 2063