Bell 4Forty MTB Helmet - Grey
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Bell 4Forty MTB Helmet Grey RedFree delivery in 1–3 days£89.99Visit shop →
Bell 4Forty MTB Helmet Grey RedFree delivery in 1–3 days£89.99Visit shop →
Bell 4Forty MTB Helmet Grey RedFree delivery in 1–3 days£89.99Visit shop →
Product Information
Full details
The Bell 4Forty MTB Helmet is engineered for adult mountain bikers who require a reliable balance of ventilation, protection, and comfort during rigorous trail rides. It offers a premium feel through its integrated Float Fit system and extended rear coverage, though users should be aware that the added protective shell makes it slightly heavier than minimalist cross-country racing helmets.
All features
| Age Group | adult |
|---|---|
| Colour | Grey |
| Gender | Unisex |
| Model Part Number | BEH7142175 |
| Brand | Bell |
Extended Product Information
FAQs
Is the visor adjustable?
The Bell 4Forty features an adjustable visor that can be moved up or down to accommodate goggles or improve visibility.
Does this helmet come with MIPS?
This specific model utilizes the standard Fusion In-Mold polycarbonate construction; please check your specific product packaging for integrated rotational impact systems.
How do I determine my size?
Measure the circumference of your head just above your eyebrows using a soft tape measure and consult the size chart based on your result in centimeters.
Can I replace the internal pads?
Yes, the internal padding is removable and can be replaced if they become worn out or lose their shape.
Is this helmet suitable for road biking?
While intended for mountain biking, it is safe for road use, though it may be heavier and less aerodynamic than dedicated road helmets.
Troubleshooting
Helmet feels loose or wobbles on the head
Ensure the Float Fit dial at the rear is tightened sufficiently and check that the internal padding is properly seated.
Straps twist during a ride
Re-adjust the No-Twist Tri-Glides to ensure they are locked in a flat position; if they continue to twist, pull the excess strap length through the glide to remove slack.
Sweat dripping into eyes despite the Sweat Guide
Ensure the front brow pad is properly attached and clean; if the pad is saturated, remove and rinse it thoroughly.
Pros and Cons
Pros
- Excellent extended rear head coverage for improved safety
- Float Fit system allows for quick, one-handed adjustments
- Sweat Guide feature effectively keeps perspiration out of eyes
- Durable construction with Fusion In-Mold technology
Cons
- Heavier than lightweight racing-specific helmets
- Fixed visor height may not accommodate all goggles
- Neutral aesthetic may not appeal to those seeking neon high-visibility colors
Setup, Compatibility & Care
To achieve the best fit, place the helmet on your head and rotate the rear dial on the Float Fit system until it is snug but comfortable. Use the No-Twist Tri-Glides to adjust the side straps so that they form a 'V' shape just below your ears; ensure the buckle sits comfortably under the chin without obstructing your throat. For care, avoid using harsh chemicals; clean the helmet shell using only mild soap and water. The interior pads should be hand-washed periodically to remove accumulated sweat and salt buildup. Store the helmet in a cool, dry place away from direct sunlight, as UV exposure over many years can degrade the integrity of the plastic materials.