Bell 4Forty MTB Helmet - Orange

The 4Forty is built to withstand the rigors of a trail-riding life; with generous ventilation, the...

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Full details

The Bell 4Forty is a versatile mountain bike helmet designed for adult riders who prioritize protection and comfort on the trails without an excessive price tag. It excels at keeping you cool with generous ventilation and includes a secure fit system, though its slightly bulkier appearance may not appeal to those seeking a sleek, aerodynamic road cycling aesthetic. This helmet combines a durable hard shell with thoughtful features like an integrated sweat guide to ensure you stay comfortable during long, demanding rides.

All features

Age Groupadult
ColourOrange
GenderUnisex
BrandBell

Extended Product Information

FAQs

Is the Bell 4Forty suitable for daily commuting?

Yes, its robust construction and high ventilation make it a safe and comfortable choice for city commuting, although it is visually optimized for trail use.

How often should I replace this helmet?

It is recommended to replace any helmet every three to five years, or immediately following any significant impact, even if no damage is visible.

Does this helmet come with a visor?

Yes, the 4Forty includes a built-in visor to help deflect sun glare, trail debris, and low-hanging branches.

Can I wear glasses with this helmet?

The helmet is designed to accommodate most cycling glasses, and the sweat management system helps keep lenses clear.

Is the padding removable for washing?

Yes, the internal padding is removable and machine washable; it is recommended to wash in a delicates bag and air dry.

Troubleshooting

Helmet feels loose even when dial is tightened

Ensure the fit system is positioned correctly at the base of your skull and check that the internal padding is not worn out.

Chin strap becomes twisted or uncomfortable

Unlock the No-Twist Tri-Glides, pull the strap through to flatten the webbing, and then snap the glide back into the locked position.

Dial is difficult to turn

Check the mechanism for trapped debris or grit. Gently rinse with warm water to clear the dial housing if necessary.

Pros and Cons

Pros

  • Excellent value for the level of protection offered
  • Easy-to-use dial adjustment system for a secure fit
  • Extended rear coverage for added safety
  • Integrated sweat management prevents stinging eyes
  • Sturdy construction due to Fusion In-Mold technology

Cons

  • Design is trail-focused and less aerodynamic than road helmets
  • Slightly heavier than high-end carbon racing models
  • Limited aesthetic appeal for those wanting a low-profile look

Setup, Compatibility & Care

To achieve the best fit, first loosen the rear dial completely. Place the helmet on your head, then turn the dial clockwise until it feels snug but comfortable. Use the No-Twist Tri-Glides to adjust the side straps so they form a V-shape just below your ears, ensuring no slack remains near the chin buckle. For care, clean the helmet using only mild soap and water. Avoid using harsh chemical cleaners or solvents, as these can degrade the polycarbonate shell or the EPS foam liner. Always store your helmet in a cool, dry place out of direct sunlight when not in use.