Bell 4Forty MIPS Helmet

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Mountain biking is a demanding sport - compromises and shortcuts when it comes to gear are never a good idea. The 4Forty is built to withstand the rigors of a trail-riding life; with generous ventilation, the comfort of Float Fit and built-in Sweat Guide,

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Product description


  • Total Vents 15 vents
  • Compliance CPSC Bicycle
  • MIPS MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.
  • 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.
  • Visor GoggleGuide Adjustable Visor Accommodates both goggles and glasses
  • Fit System Float Fit A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS)
  • Retention System No-Twist Tri-Glides Quick-adjust fasteners that help keep straps flat and properly positioned
  • Interior Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear
  • Weight 380 grams (size M)

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