SKU: 72017961323
bell 4forty mips mtb helm

bell 4forty mips mtb helm Bell 4Forty MIPS MTB Helmet

Sale price$18.95 Regular price$21.05
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

bell 4forty mips mtb helm Bell 4Forty MIPS MTB HelmetThe Bell 4Forty MIPS MTB Helmet is built for serious trail riders who demand performance, protection, and value. Designed for mountain biking, trail riding, and all day adventures, this helmet delivers premium features without the premium price tag. Engineered with MIPS (Multi Directional Impact Protection System), the 4Forty enhances safety by reducing rotational forces during impacts ideal for technical trails and aggressive riding. The extended

The Bell 4Forty MIPS MTB Helmet is built for serious trail riders who demand performance, protection, and value. Designed for mountain biking, trail riding, and all-day adventures, this helmet delivers premium features without the premium price tag.

Engineered with MIPS (Multi-Directional Impact Protection System), the 4Forty enhances safety by reducing rotational forces during impacts — ideal for technical trails and aggressive riding. The extended rear coverage offers added protection where it matters most, giving you confidence on every descent.

Stay cool and comfortable with optimised ventilation and Bell’s Float Fit system, providing a secure, adjustable fit for long rides. The integrated Sweat Guide padding helps keep moisture away from your eyes, so you can stay focused on the trail ahead.

A durable full hard-shell construction ensures long-lasting performance, while the adjustable visor accommodates goggles or sunglasses with ease — perfect for changing trail conditions.

  • MIPS® EVOLVE — Mips Evolve is designed to reduce rotational forces that can result from certain impacts. By integrating the Mips slip plane into the retention system, we are able to reduce complexity and weight for a compact, better ventilated helmet that fits more closely to the head.
  • FLOAT FIT™ — A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with Mips®).
  • 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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 72017961323

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Bibiana colon
Omaha, US
★★★★★ 5
Medias
Size: One Size, Color: (403) Washed Navy / White / Halo Gray
Muy buenas, cómodas me encantaron
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Reviewed in the United States on April 5, 2026
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Lake Worth, US
★★★★★ 5
Excellent sport sock!
Size: One Size, Color: (100) White / White / Halo Gray
Molds onto foot, super soft and breathable. A lot of my ankle socks tend to slip or cut off blood circulation. This one literally is a perfect fit. No slip. After playing hours of tennis every week, my feet don't feel sore or bruised. Must buy!
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Reviewed in the United States on October 9, 2025
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Placeholder
Boise, US
★★★★★ 5
Comfort!
Size: One Size, Color: (100) White / White / Halo Gray
Very comfortable! Thinner than the picture shows, but I like the fact that they are no show but still higher in the back and front to protect my heels and such.
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Reviewed in the United States on September 6, 2025
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Amazon Customer
Lake Worth, US
★★★★★ 1
Sizing way off
Size: One Size, Color: (100) White / White / Halo Gray
These were my favorite socks, at least the old style was. They redid them and I was okay with it. However, I don't understand how they are a one size fits most. I tried them on and they were still too big at the top. There was so much extra fabric at the toes. For reference, I wear a size 8.5 women's shoe, typically. The packaging says fits most from size 5.5 to 12. I don't understand how it fits that wide range of shoe size. Definitely returning these and I will be buying something else.
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Reviewed in the United States on October 10, 2024
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Liliana C Viloria V
Louisville, US
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
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Reviewed in the United States on August 29, 2025

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