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Bell Z20 MIPS Helmet

Item # BEL00FK

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  • Matte Black, S ($230.00)
  • Matte Black, M ($230.00)
  • Matte Black, L ($230.00)
  • Matte White/Black, S ($230.00)
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  • Matte/Gloss Blue/White, L ($230.00)
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  • Matte Black/Neon Pink, M ($230.00)
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  • Matte Black/Smoke Heat Wave, S ($230.00)
  • Matte Black/Smoke Heat Wave, M ($230.00)
  • Matte Black/Smoke Heat Wave, L ($230.00)
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  • Matte/Gloss Red/White/Pacific, L ($230.00)
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Item # BEL00FK


Forge ahead.

With MIPS solidifying its place in the mainstream, it was only a matter of time until someone brought another eye-catching safety feature to the table. Last year, Bell forged ahead by introducing its dual-layer Progressive Layering technology, which returns in the Bell Z20 MIPS Helmet, the brand's new all-purpose road model. Bell claims that this construction method, which utilizes two layers of variable density foam instead of the traditional single density layer, better dissipates impact forces in some crash situations. Pairing Progressive Layering with the thin, low-friction MIPS liner means Bell puts impact management firmly at the forefront of the Z20's design.

Safety is always a priority, but Bell knows that riders won't wear even the safest helmet if it's ugly and uncomfortable. Like the Zephyr, which was the original Progressive Layering lid, the Z20 features a modern, highly vented, and streamlined design that just plain looks fast. Inside, the highly adjustable Float Fit Race system integrates with the MIPS liner to minimize bulk while movable padding adds a final customized touch on fit.

Bell finishes the helmet with its Sweat Guide Padding and No-Twist Tri-Glides, A pair of features that only make sense to people who have suffered from the ills they address. Sweat Guide is a simple extension of padding under the front of the helmet that ushers sweat forward so it drips in front of your glasses instead of on them. This sounds like a small detail at first, until you remember that mid-summer interval session that left you squinting into the sun with salt-covered lenses sitting unusable in your helmet vents and realize that a tiny patch of padding is a pretty big deal. The No-Twist fasteners help prevent the obnoxious tendency for helmet straps to twist. We're not embarrassed to admit that we occasionally spend far too long trying to straighten the straps—after all, those twists often seem to be contrary to the laws of physics.

  • An all-purpose road helmet with updated impact technology
  • Dual layer EPS helps dissipate impact force
  • MIPS technology reduces rotational force in certain crashes
  • Aerodynamic shell shaping reduces drag
  • Large air vents promote cooling airflow
  • Sweat Guide Padding keeps sweat droplets away from your lenses
  • No-twist side straps stay comfortably in place
  • Integrated Float Fit Race dial allows adjusts vertically and laterally

Tech Specs

Shell Material:
Impact Foam:
18 vents
Fit Adjustment:
Float Fit Race
Claimed Weight:
Recommended Use:
cyclocross, road cycling
Manufacturer Warranty:
1 year

Size Chart


Head Circumference  20.5 - 22in
(52 - 56cm)
21.625 - 23.25in
(55 - 59cm)
22.875 - 24.375in
(58 - 62cm)
24 - 25.625in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
Reflex, Segment
Head Circumference  20.125 - 21.625in
(51 - 55cm)
21.625 - 23.25in
(56 - 59cm)
23.25 - 24.25in
(59 - 61.5cm)
Head Circumference  20.5 - 21.25in
21.625 - 22.5in
22.875 - 23.625in
Full-9, Transfer-9
Head Circumfernce 20.125 - 20.875in
(51 - 53cm)
20.875 - 21.625in
(53 - 55cm)
21.625 - 22.5in
(55 - 57cm)
22.5 - 23.25in
(57 - 59cm)
23.25 - 24in
(59 - 61cm)
24 - 24.75in
(61 - 63cm)
Head Circumference 19.75 - 22.5in
(50 - 57cm)
21.25 - 24in
(54 - 61cm)
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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Round fit.

  • Familiarity: I returned this product before using it
  • Size Bought: medium

This is a great helmet, but the fit is too round for my head. The integrated MIPS is seamless and the styling is very good. One small negativity for me is that Oakley Jawbrakers will not fit in the front vents--only in the rear vents which is a bit awkward, though it might not be a problem for other people.

Does anyone know what the changes are in the Z20 over the Zephyr? I heard there was some issue with moisture causing shell separation around the occipital area. I also know some of the colors showed extreme fading after exposure to sunlight.

The Z20 is a new helmet that has the great innovations of the Zephyr, including a lightweight bifurcated liner, high ventilation and cooling, with premium fit, finish and style. Plus it features enhanced impact attenuation and structure [making it an all-around more robust helmet, especially in wet weather conditions.]