Bell Bike 4Forty MIPS Bicycle Helmets

The Bell 4Forty Mips is an all-mountain mountain bike helmet that combines extended trail coverage, Mips rotational impact protection, and advanced comfort features for riders tackling a wide range of trail conditions.

Best for

• Trail and all-mountain mountain bikers.
• Riders looking for Mips rotational impact protection.
• Cyclists who ride in varying terrain and weather conditions.
• Mountain bikers who frequently use goggles.
• Riders seeking extended rear head coverage for additional protection.

Not ideal for

• Downhill riders requiring a full-face helmet.
• Road cyclists looking for a road-specific aerodynamic helmet.
• Bike park riders needing full-face protection.
• Children under the age range covered by the helmet certification.

What this product does

The 4Forty Mips protects the rider's head during mountain bike rides by combining an impact-absorbing helmet structure with Mips Evolve technology, which is designed to help reduce rotational forces from certain angled impacts. The helmet also features an adjustable fit system, extensive ventilation, moisture-management technology, and trail-specific features such as goggle compatibility and an adjustable visor.

Compatibility

• Designed for mountain biking and trail riding.
• Compatible with mountain bike goggles.
• Compatible with standard cycling sunglasses.
• Suitable for trail, all-mountain, and recreational mountain biking.
• Fits riders within the manufacturer's specified size range.

Benefits

• Mips Evolve technology helps address rotational impact forces from certain crashes.
• Extended rear coverage provides additional protection for the back of the head.
• Float Fit™ retention system allows quick and precise fit adjustments.
• Generous ventilation helps improve airflow during long rides.
• Sweat Guide™ system channels sweat away from the eyes and eyewear.
• Adjustable visor provides sun protection and space for goggle storage.
• Goggle Gripper keeps goggle straps securely positioned.
• No-Twist Tri-Glides™ help maintain proper strap alignment.
• Full hard-shell construction increases durability.
• Lightweight design helps reduce rider fatigue.

Technical Specs

• Product Type: Mountain bike helmet.
• Recommended Use: Trail and all-mountain riding.
• Protection Technology: Mips® Evolve.
• Fit System: Float Fit™ retention system.
• Visor: Adjustable visor.
• Ventilation: Large airflow vents throughout the shell.
• Sweat Management: Sweat Guide™ brow pad system.
• Strap System: No-Twist Tri-Glides™.
• Goggle Compatibility: Integrated Goggle Gripper.
• Shell Construction: Full hard-shell design.
• Weight: Approximately 380 g (Size Medium).
• Safety Certification: Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.