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Bell 4Forty MIPS helmet

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Item#
Mfg-Item#
Variants
Display mfg part numbers
size S (52-56cm) mat/gloss black 81211243 58.57€
MPN 7088201
size M (55-59cm) mat/gloss black 81211244 58.57€
MPN 7088202
size L (58-62cm) mat/gloss black 81211245 58.57€
MPN 7088203
size XL (61-65cm) mat/gloss black 81211246 58.57€
MPN 7088204
size S (52-56cm) mat/gloss black camo 81211982 58.82€
MPN 7113805
size M (55-59cm) mat/gloss black camo 81211983 58.82€
MPN 7113806
size L (58-62cm) mat/gloss black camo 81211984 58.82€
MPN 7113807
size S (52-56cm) cliffhanger mat/gloss dark gray/crimson 81211608 58.57€
MPN 7101801
size M (55-59cm) cliffhanger mat/gloss dark gray/crimson 81211609 58.57€
MPN 7101802
size L (58-62cm) cliffhanger mat/gloss dark gray/crimson 81211610 58.57€
MPN 7101803
size XL (61-65cm) cliffhanger mat/gloss dark gray/crimson 81211611 58.57€
MPN 7103327
size S (52-56cm) mat/gloss slate/orange 91210496 58.82€
MPN 7101617
size M (55-59cm) mat/gloss slate/orange 91210497 58.82€
MPN 7101618
size L (58-62cm) mat/gloss slate/orange 91210498 58.82€
MPN 7101619
size S (52-56cm) mat/gloss white/black 91210505 58.82€
MPN 7128982
size M (55-59cm) mat/gloss white/black 91210506 58.82€
MPN 7128983
size L (58-62cm) mat/gloss white/black 91210507 58.82€
MPN 7128984
size S (52-56cm) mat/gloss red/ocean 91210673 59.24€
MPN 7142160
size M (55-59cm) m mat/gloss red/ocean 91210674 59.24€
MPN 7142161
size L (58-62cm) mat/gloss red/ocean 91210675 59.24€
MPN 7142162
Please select a variant.

Versatile off-road helmet

Bell developed the 4Forty for the rigors of demanding trails. With a full hard-shell design, generous ventilation, built-in Sweat Guide technology, an adjustable visor, added protection from MIPS®, and Bell's comfortable Float-Fit fit, the lightweight 4Forty rivals the heavyweights in the industry. Other models that offer comparable protection, comfort and versatile features often cost twice as much.

specification

specification description
area of application MTB trail ride, tour
MIPS Yes
Material outer shell polycarbonate
Number of ventilation openings 15
pads X-Static® pad
adjustment system Float Fit™
locking system No-Twist Tri-Glides™ harness guide
head circumference 52-56cm (size S) / 55-59cm (size M) / 58-62cm (size L) / 61-65cm (size XL)
extras Goggle Gripper / GoggleGuide™ adjustable visor
weight approx. 363g (size M)

Technologies used

In this chapter we explain the technologies that the manufacturer uses in this product.

Fusion In-Mold Polycarbonate Shell
The EPS foam is injected into the thin microshell shell while it's still in the mold (or "mold", which explains the name) rather than molding it separately and then gluing it on later. This process was first introduced by Bell and is now the standard for all demanding helmets.

Float Fit™
Bell's most advanced helmet fitting system combines comfort and safety in an ultra-lightweight design. Float Fit™ optimizes the fit of the helmet in 2 ways - head circumference and vertical adjustment. To reduce weight and simplify usability, the guide arms enclose the back of the head in a unique way thanks to the “Float” design. This puts the helmet in an ideal position on the head. Simple, light and comfortable.

X-Static® Pads
The X-Static XT2® pads are woven with silver threads. Fast-drying and antibacterial, they work against odors. In addition, the X-Static® pads give the driver a cooling feeling when it is hot and a warming feeling when it is cold thanks to their thermal properties.

GoggleGuide™
An adjustable visor system that works with goggles or sunglasses, whether the visor is on or off.

MIPS
The MIPS® safety system was developed to provide additional protection for helmets in numerous accidents. In certain impact situations, the MIPS system can reduce dangerous forces that might otherwise be transmitted to the helmet wearer's head.

1. Conventional helmets are designed and tested for a straight impact. In most cases, however, the impact is at an angle, which can cause rotational movements for the head.

2. This rotational movement can cause brain injury.

3. The low-friction shell is designed to help reduce rotational movement of the head in certain cases of angled impact.

Straight impact - oblique impact

The brain is typically more sensitive to rotational movement than linear movement because it has a shear strength similar to that of water or gel. When rotational movement causes different parts of the brain to move at different times, the tissues can be stretched, causing concussions or other brain injuries.

Rotational motion is a common cause of concussion and more serious brain injury from an oblique impact to the head. The MIPS system consists of a low-friction shell that is fixed inside the helmet. The low-friction shell is designed to slide slightly inside the helmet in the event of an accident, allowing forces to be directed away from the head. It is said to help reduce the risk of brain injuries.

Most conventional helmets are designed for a straight impact, but in most cases the impact is at an angle. The low-friction shell can reduce the rotational forces of an oblique impact.

Security system with the brain as a model

Unlike conventional helmets, which are primarily designed and tested for a straight impact, the low-friction shell of the MIPS system mimics the brain's own protection system against rotational movement. The cerebrospinal fluid is our natural defense system that allows the brain to move offset to the skull.

scope of delivery

  • 1 x Bell 4Forty MIPS helmet (see item description for details)
Bell 4Forty MIPS helmet size S (52-56cm)  mat/gloss black
Bell 4Forty MIPS helmet size S (52-56cm)  mat/gloss black camo
Bell 4Forty MIPS helmet size S (52-56cm) cliffhanger  mat/gloss dark gray/crimson
Bell 4Forty MIPS helmet size S (52-56cm)  mat/gloss slate/orange
Bell 4Forty MIPS helmet size S (52-56cm)  mat/gloss white/black
Bell 4Forty MIPS helmet size S (52-56cm)  mat/gloss red/ocean
At the moment we can offer the Size chart only in English

Über die Marke Bell

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