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Item # KSK0012

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Item # KSK0012


Tired of helmets with an almost-but-not-quite fit? Try the Kask K.10 Dieci Helmet. If your head isn't on either extremes of the sizing spectrum, Kask's clever Up-N-Down adjustment system lets you dial in the perfect fit around your skull, and down the back of your neck. The low-profile shell has 19 generous vents which silently channel air over your head and out the back, which keeps you looking pro, and your head as cool as your efforts will allow.

  • Sizing runs: 53 - 61cm, 21 - 24in, or 6-5/8 - 7-5/8 for your hat size
  • Chin strap is made from non-allergic synthetic leather which doesn't hold sweat, and washes easily
  • Includes its own carry bag for race-day transportation
  • 100% made in Italy

Tech Specs

Claimed Weight:
280 g
Fit Adjustment:
Up-N-Down hinged system
Adjustable Vents:
[shell] polystyrene, [lining] EPS
Recommended Use:
training, racing

Size chart


Vertigo, K50 EVO, K50 MTB
Head Circumference18.9-22.8in
K10 MTB, K31 Crono, K10 Race
One Size
Head Circumference20.9-24.0in
How to Measure:
Measure around your head where your hat would fit comfortably.

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Kask K.10 Dieci Helmet

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Here's what others have to say...

5 5

Perfect helmet!

  • Gender: Male
  • Familiarity: I've used it once or twice and have initial impressions

First off this is a beautiful helmet. I bought the "Italy" color scheme and wouldn't change anything about it. Most importantly this helmet fits great! It's the most expensive helmet I've owned so I can't compare to anything similar but I can't. This is an EXCELLENT buy that I wouldn't have a problem paying full price for.

Perfect helmet!