Bell 4Forty Air Mips Sprint MTB Cycling Helmet
- 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®).
- Fidlock® Magnetic Buckle — Fidlock™ is an easy-to-use magnetic buckle. This time-saving feature slides closed laterally for an effortless, secure fit.
- 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.
- Ionic+™ Padding — Quick-drying interior padding helps manage sweat while fighting odor-causing bacteria.
- 3-Position Adjustable Visor — 3-position adjustable visor allows for sun protection and integrates easily with goggles or glasses.
- Goggle Gripper — Rubber grip on the back of the helmet keeps your goggle strap in place.
- Eyewear Storage — Easily stash your glasses using the integrated helmet notches.
- CE EN1078
- 360 gr. (size M)
- 6% PC, 56% EPS, 1% POM, 7% Polyester, 5% PP, 20% PA, 4% TPR
Occasionally, without notice, manufacturers change product design and/or specifications.
Bell 4Forty Helmet Size Guide
|
Size |
Cm |
Inches |
|
S |
52 – 56 |
20 ½” – 22” |
|
M |
55 – 59 |
21 5/8” – 23 ¼” |
|
L |
58 - 62 |
22 ¾” – 24 3/8” |
|
XL |
61 - 65 |
24” – 25 5/8” |
How to measure
To find the circumference of your head, place a tape measure in the centre of your forehead, wrap it around above your ears and around the back of your head. If there's a slight difference between two different sizes, always go for the tighter size.
Once you know the circumference of your head, select a size with a range that your head size fits within.
As well as an adjustable chin strap the majority of cycling helmets have some form of adjustment for size, usually in the form of a ratchet adjuster to tighten or loosen the headband or replaceable pads of different thicknesses.
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