MTB
MTB
Proframe Nace Helmet
STYLE #:
31471
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Size
Size Guide
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- Mips® equipped
- 3-position adjustable visor compatible with goggles
- Removable under visor GoPro mount included
- Meets the ASTM-F1952 Downhill MTB certification standard
Breathable full-face mountain bike helmet
Conquer the mountain with this full-face protection specialist. The Proframe Helmet is the original full-face trail helmet and is still the market leader. Designed to meet the needs of all-mountain riders and enduro racers, it packs Mips® technology into a superlight shell.
- Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain
- 3-position adjustable visor compatible with goggles
- Removable under visor GoPro mount included
- Increased ventilation and decreased surface contact area improve cooling
- Includes additional pad set to optimize fit
- Meets the ASTM-F1952 Downhill MTB certification standard
For care instructions, see our Helmet Care Guide
Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel
Materials: 22% ABS, 21% EPS, 15% polycarbonate, 13% polyurethane, 9% Pa
Size Guide
| Size | Head Size | Cheek Pads | Hat Size | Weight |
|---|---|---|---|---|
| Y | 18.9-20.5" | 20/30 mm (installed);30/40 mm (included) | 6-6 1/2" | 680±50 g |
| S | 20.1-21.7" | 20/30 mm (installed);30/40 mm (included) | 6 3/8-6 7/8" | 720±50 g |
| M | 21.7-23.2" | 20/30 mm (installed);30/40 mm (included) | 6 7/8-6 3/8" | 790±50 g |
| L | 23.2-24.8" | 20/30 mm (installed);30/40 mm (included) | 7 3/8-7 7/8" | 920±50 g |
| Size | Head Size | Cheek Pads | Hat Size | Weight |
|---|---|---|---|---|
| Y | 48-52 cm | 20/30 mm (installed);30/40 mm (included) | 15.3-16.6 cm | 680±50 g |
| S | 51-55 cm | 20/30 mm (installed);30/40 mm (included) | 16.2-17.5 cm | 720±50 g |
| M | 55-59 cm | 20/30 mm (installed);30/40 mm (included) | 17.5-18.8 cm | 790±50 g |
| L | 59-63 cm | 20/30 mm (installed);30/40 mm (included) | 18.8-20.1 cm | 920±50 g |
