Fox Clothing Speedframe Pro Lunar SE MTB Cycling Helmet

- Mips® Air Node protection system
- Virginia Tech 5-Star helmet rating
- BOA® Fit System for micro-adjustability
- FIDLOCK SNAP helmet buckle provides quick and secure entry and exit while wearing gloves
- Removable, washable Ionic+® liner is antimicrobial and manages odor while wicking moisture away from the head
- Optimized venting with channeled, in-molded EPS provides efficient cooling
- One-hand adjustable visor is compatible with sunglasses and goggles
- Sunglass-specific storage solution
- Reflective and hi-vis features for enhanced nighttime visibility
Occasionally, without notice, manufacturers change product design and/or specifications.
Fox Speedframe Size Guide
Use the below chart and guide to find the correct size Fox helmet for you.
|
Size |
Head Circumference |
|
S |
51 - 55 cm |
|
M |
55 - 59 cm |
|
L |
59 - 63 cm |
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, see the available sizes shown on the product and select the appropriate one.
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 straps, some helmets will also come with different thickness pads to further customise the fit.
Read our clothing size guide for more information on sizing.
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