Designed to handle the demands of trail riding, the Bell 4Forty MTB Helmet offers rugged durability with rider-focused comfort. It features generous ventilation, a secure Float Fit system with a built-in Sweat Guide, extended rear coverage for added protection, a full hard shell, and an adjustable visor for versatile performance on any terrain.
Delivering the comfort, protection, and premium features usually found in helmets twice its price, the 4Forty is a lightweight, all-conditions trail helmet that offers heavyweight performance and outstanding value.
FEATURES
- FLOAT FIT™ A minimalist, lightweight fit system with an easy-to-turn rubber over moulded
- ADJUSTABLE VISOR Adjustable visor allows for sun protection and easy goggle storage.
- NO-TWIST TRI-GLIDES™ Quick-adjust fasteners that help keep straps flat and properly positioned
- SWEAT GUIDE™ Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.
- GOGGLE GRIPPER Rubber grip on the back of the helmet keeps your goggle strap in place.
CONSTRUCTION
- Fusion In-Mold polycarbonate shell - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.
FIT SYSTEM
- Float Fit - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments
- No-Twist Tri-Glides: Quick-adjust fasteners that help keep straps flat and properly positioned
VENTILATION
- 15 vents
WEIGHT
- 324 grams (size M)
SIZE GUIDE
4FORTY MIPS / 4FORTY AIR MIPS
| Helmet Size | CM | IN | Hat Size (IN) |
|---|---|---|---|
| S | 52–56 | 20 1/2 – 22 | 6 1/2 – 7 |
| M | 55–59 | 21 5/8 – 23 1/4 | 6 7/8 – 7 3/8 |
| L | 58–62 | 22 3/4 – 24 3/8 | 7 1/4 – 7 3/4 |
| XL | 61–65 | 24 – 25 5/8 | 7 5/8 – 8 1/8 |
4Forty MTB Helmet
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Designed to handle the demands of trail riding, the Bell 4Forty MTB Helmet offers rugged durability with rider-focused comfort. It features generous ventilation, a secure Float Fit system with a built-in Sweat Guide, extended rear coverage for added protection, a full hard shell, and an adjustable visor for versatile performance on any terrain.
Delivering the comfort, protection, and premium features usually found in helmets twice its price, the 4Forty is a lightweight, all-conditions trail helmet that offers heavyweight performance and outstanding value.
FEATURES
- FLOAT FIT™ A minimalist, lightweight fit system with an easy-to-turn rubber over moulded
- ADJUSTABLE VISOR Adjustable visor allows for sun protection and easy goggle storage.
- NO-TWIST TRI-GLIDES™ Quick-adjust fasteners that help keep straps flat and properly positioned
- SWEAT GUIDE™ Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.
- GOGGLE GRIPPER Rubber grip on the back of the helmet keeps your goggle strap in place.
CONSTRUCTION
- Fusion In-Mold polycarbonate shell - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.
FIT SYSTEM
- Float Fit - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments
- No-Twist Tri-Glides: Quick-adjust fasteners that help keep straps flat and properly positioned
VENTILATION
- 15 vents
WEIGHT
- 324 grams (size M)
SIZE GUIDE
4FORTY MIPS / 4FORTY AIR MIPS
| Helmet Size | CM | IN | Hat Size (IN) |
|---|---|---|---|
| S | 52–56 | 20 1/2 – 22 | 6 1/2 – 7 |
| M | 55–59 | 21 5/8 – 23 1/4 | 6 7/8 – 7 3/8 |
| L | 58–62 | 22 3/4 – 24 3/8 | 7 1/4 – 7 3/4 |
| XL | 61–65 | 24 – 25 5/8 | 7 5/8 – 8 1/8 |