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BellZ20 Ghost MIPS Helmet


Item # BEL00FL

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  • Matte/Gloss Hi-Viz Reflective, S ($219.95)
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Item # BEL00FL

Z20 Ghost MIPS Helmet

Despite its name's connotations of invisibility, the Bell Z20 Ghost MIPS Helmet is anything but. All helmets are designed to handle impacts, but the Z20 Ghost's integrated reflectivity means it's one of the first helmets that actually help you avoid them altogether. That preventative measure joins the standard Z20's Progressive Layering and MIPS liner, adding one additional upgrade to Bell's new all-purpose flagship road helmet.

Last year, Bell forged ahead in the protectives game by introducing its dual-layer Progressive Layering technology. 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 Zephyr'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.

  • A road helmet for early morning training and late returns
  • Reflective panels add generous visibility in low-light conditions
  • 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
  • Ages 5 and older

Tech Specs
Shell Materialpolycarbonate
Impact FoamEPS
Ventilation18 vents
Fit AdjustmentFloat Fit Race
Manufacturer Warranty1 year


4Forty, Annex, Catalyst, Drifter, Falcon, Formula, Hub, Sixer, Stratus, Super 3R, Super Air R, Super DH, Z20

Head Circumference

20.5 - 22in

(52 - 56cm)

21.7 - 23.2in

(55 - 59cm)

22.8 - 24.4in

(58 - 62cm)

24 - 25.6in

(61 - 65cm)

Full-9, Full-9 Fusion
Head Circumference

20.1 - 20.9in

(51 - 53cm)

20.9 - 21.7in

(53 - 55cm)

21.7 - 22.4in

(55 - 57cm)

22.4 - 23.2in

(57 - 59cm)

23.2 - 24in

(59 - 61cm)

24 - 24.8in

(61 - 63cm)

Head Circumference

20.1 - 21.7in

(51 - 55cm)

21.7 - 23.2in

(55 - 59cm)

23.2 - 24.8in

(59 - 63cm)

Lil Ripper
Head Circumference

17.7 - 20.5in

(45 - 52cm)

18.9 - 21.7in

(48 - 55cm)

Local, Span
Head Circumference

19.3 - 20.9in

(49 - 53cm)

20.1 - 21.7in

(51 - 55cm)

21.7 - 23.2in

(55 - 59cm)

23.2 - 24.2in

(59 - 61.5cm)

 S / MM / L
Head Circumference

19.7 - 22.4in

(50 - 57cm)

21.3 - 24in

(54 - 61cm)

 AdultWomen / Youth
Head Circumference

20.9 - 23.6in

(53 - 60cm)

20.5 - 22.4in

(52 - 57cm)

Sanction, Transfer-9
Head Circumference

18.9 - 20.1in

(48 - 51cm)

20.5 - 21.3in

(52 - 54cm)

21.7 - 22.4in

(55 - 57cm)

22.8 - 23.6in

(58 - 60cm)

Sidetrack, Spark
Head Circumference

18.5 - 21.3in

(47 - 54cm)

19.7 - 22.4in

(50 - 57cm)

How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

What do you think about this product?


>Rating: 1

Do not buy this helmet.

I've used it several times
True to size
Size Bought
5` 10"
160 lbs

The supposedly “eye searing” reflectivity is defective. This is part of the note I sent to Competitive: [The reflective material is] … just flaking off. The supposedly “eye searing” reflective material is clearly defective in TWO ways. 1. It is NOT reflective at ALL. I sent you a picture to confirm that. 2. Now [after few weeks of wear] the defective, “eye searing” material, is flaking off in several places. I suggest pulling ALL Bell Ghost helmets and demanding that Bell fix the problem before selling any more. It’s too bad, because otherwise I like the helmet and would keep it if it was durably reflective. Maybe have someone reach out to them to ask what is going on. I sent them a note when I realized the material was not reflective and got a useless answer. I won’t waste my time again.

>Rating: 5

Very nice helmet

I've put it through the wringer
True to size
Size Bought

On my third season with this helmet. Bell helmets have always fit me well and this one is no different. I do like that the padding has a channel to allow sweat to drip away from my glasses on really hot days. It works as well as described in CC description above. The padding was pretty worn after the second season but the helmet came with a second liner. The lid also has enough adjustment that it will fit over my winter hat easily. It seems to be well ventilated as far as I can tell, no issues or complaints. I have ridden other helmets that were "hot" in summer and this one is fine. The no twist straps actually work and I really hadn't thought about them until I sat down to write this review. A previous reviewer mentioned the buckle is too stiff but I have had no issues.

>Rating: 5

Bell is the best

I've used it several times
True to size

Like all of my Bell helmets in the past, the Z20 fits my head perfectly. Wanted to get a MIPS model and thankfully the liner in this one doesn't affect the fit. The padding is very comfortable and the Float Race Fit system is one of the best on the market. Not much else to say other than it vents very well and I feel safer among motorists in low light with its full reflectivity. About the only slight niggle is it's a touch heavier than competing models.


How would you characterize the shape/fit of this helmet? Is it round (read, proportionally wide internally) or oval (proportionally long, internally)? I find that for some helmets (which would appear to be the correct size by overall circumference) contact and pivot at two points on the upper side of my head. Fwiw, in the past, I've had good fit with my sampling Bell helmets and Specialized helmets, less luck with Giro helmets.

Franks, most would consider this helmet to be a rounder shape than Giro or Specialized. With that said, if it doesn't work for your our staff of Gearheads are happy to provide recommendations and setup an exchange. Thanks!

>Rating: 3

Too much.

I've used it several times
True to size

I've ridden in a Volt for years, fits perfect. Wanted to get something new, presumable safer, and Bell still fits me the best. Many helmets place the strap anchor high inside the helmet which digs into my head (Giro and Lazer are two). I've always thought MIPS mostly makes the helmet uncomfortable so I've tried to avoid but Bell has gone whole hog into MIPS so I tried this helmet and it fits me well and is comfortable. Part of the comfort comes from lots of material covering the MIPS skeleton. This material serves to store heat inside the helmet. The helmet also vents poorly. The MIPS also allows for the helmet to tilt to one side or the other on my head but I can't tell when I'm riding. Does this shave safety points from what otherwise might be the most protective helmet on the market? The strap material is also like 4" too long so I'm almost out of room with being able to tighten the helmet as the buckle almost hits the end. The buckle is also real stiff. Is this necessary? Bell is real proud of this helmet with the dual density foam and the uber covered MIPS but I find myself thinking of how it's really not that great when I'm riding which is a sure sign of bad design, or poor execution. Or both. Hopefully Bell will get off its high horse and come around to realizing this ain't the end all. Still work to do folks, especially at this price point.

If it is tilting to one side, it is either too big or you haven't adjusted the tab in the back correctly.