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100%Altec Helmet - Men's


Item # OHP009W

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Item # OHP009W

Altec Helmet

Your day might take you well beyond the beaten path, or working interval laps at your local network, but regardless of where you ride, do it with the right protection. The Altec Helmet offers a lightweight option that's ultra-ventilated to keep you comfortable, while Smartshock technology protects from rotational impacts, and a polycabonate shell shields you from direct hits.

  • A ultra-ventilated helmet for pedal-mashing days
  • In-mold polycarbonate shell takes the brunt of forces
  • Smartshock suspended rotational system reduces rotational impacts
  • Large vents pair with internal channels to keep you cool
  • Multi-point adjustment system lets you dial in perfect fit
  • Extended rear coverage for rigorous trail use
  • Adjustable visor blocks blinding sun, moves away in impacts

Tech Specs
Shell Materialpolycarbonate
Impact Foammulti-density EPS
Ventilation15 ventilation ports
Fit Adjustmentratcheting dial
Visormulti-point adjustable
CertificationsASTM (F2032-15), CPSC (16 CFR 1203), CE (EN 1078:2012+A1:2012), and AS/NZS (2063:2008)
Manufacturer Warranty1 year


Adult Helmets
Head Circumference

20.9 - 21.3in

(53 - 54cm)

21.6 - 22in

(55 - 56cm)

22.5 - 22.9in

(57 - 58cm)

23.3 - 23.6in

(59 - 60cm)

24 - 24.4in

(61 - 62cm)

Youth Helmets
Head Circumference

18.5 - 18.9in

(47 - 48cm)

19.3 - 19.7in

(49 - 50cm)

20.1 - 20.5in

(51 - 52cm)

How to Measure:
Measure around your head where your hat would fit comfortably.

What do you think about this product?


>Rating: 1

Nice helment but...

I returned this product before using it
True to size

They sent me an old helmet (2019) cycling helment expire! That's why order a NEW one, when I returned it they charged me a fee

>Rating: 2

SmartShock lining not comfortable

I returned this product before using it

100% invented their own MIPS-replacement with rubber pins that hold the lining. Even when trying the helmet on for 5 minutes at home, several of those pins were pushing onto my scalp and leaving red marks. I have read reviews that say it's reasonably comfortable, so it must be a personal thing, but I don't like it. My old helmet is a TLD A1 MIPS, which is very comfortable, though quite warm. The 100% does appear to be very well ventilated.

>Rating: 1

Fatal Flaw, pretty bummed out

I've used it once or twice and have initial impressions
True to size
Size Bought

Immediately upon adjusting the visor the very first time, the visor pivot broke! It now rotates somewhat freely, without catching at a few points, like visors should. I can see where the plastic piece broke, and it's strikes me as a critical design flaw. Too bad, it does look great, but the visor mount is reason enough to not get this until they figure it out.