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Item # GIR008A

Entry-Revel.

The Giro Revel Helmet redefines what "entry-level" means in the world of mountain bike helmets. The only thing this headshell has in common with the eggshells of yore is that it goes on your dome. In every other regard, it's light-years ahead, and it makes most helmets in this price range look antiquated.

The Revel's In-Mold polycarbonate shell is made of the exact same foam and the exact same EPS liner as Giro's top-of-the-line models that cost six times as much. That means you get the same single-piece, shock-absorbing chassis as on the more expensive models that keeps the helmet incredibly strong but light at the same time. On board you'll also find features skipped by many of its competitors, like a removable visor, reflective decals for visibility at night, and Giro's Acu-Dial retention system so you can precisely tune the fit of your helmet to match your head best.

  • In-Mold construction
  • Acu-Dial Retention system
  • 22 Vents

Tech Specs

Shell Material:
in-mold polycarbonate
Impact Foam:
EPS (foam)
Ventilation:
22 vents
Fit Adjustment:
Acu Dial
Visor:
yes
Recommended Use:
mountain biking
Manufacturer Warranty:
1 year

Size chart

Giro

Adult Cycling Helmets
 SS/MMM/LLXLAdult UniversalWomen's Universal
Head Circumference 20 - 21.75in
(51 - 55cm)
20 - 22.5in
(51 - 57cm)
21.75 - 23.25in
(55 - 59cm)
21.75 - 24in
(55 - 61cm)
23.25 - 24.75in
(59 - 63cm)
24 - 25.55in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
19.75 - 22.5in
(50 - 57cm)
Cipher
 XSSML
Head Circumference 20 - 20.75in
(51 - 53cm)
21.25 - 22in
(54 - 56cm)
22.5 - 23.25in
(57 - 59cm)
23.5 - 24.25in
(60 - 62cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

Reviews & Community

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Good solid helmet

  • Familiarity: I've used it several times

This is a good solid helmet. It's lightweight, vented well and the Acu-Dial allows for a precise fit. Visor is removable if you don't need it. Overall, a great buy.

Needed a simple Helmet

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

This got the job done, but I was not thrilled with the floral print. It was my mistake for ordering the floral but the picture on the website does not show what it really looks like, so I will include one here. I wear a women’s medium helmet and this one fits a little large on me. Not my favorite item, but if you just need a helmet at a low price this is a good one to get.

Needed a simple Helmet

Cool Brain Bucket

  • Familiarity: I've used it several times

This helmet is definitely ventilated well. I've used it several times in pretty hot weather and have been pretty stoked with the overall fit and function of it. The Acu-dial is a great on the fly adjustment, with just a few clicks you can be at the right size for your head while riding which makes things that much easier.

Awesome fit!

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

Love this helmet! It fits perfect and I like the tiny visor. I got the bright yellow and I feel very visible to drivers :) I commute to work and cycle maybe 60-90 miles a week.