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LazerG1 MIPS Helmet


Item # LZRG01J

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Item # LZRG01J

G1 MIPS Helmet

With safety and low weight a priority, Lazer made their lightest helmet yet with the G1 MIPS, built for top-level racing and training. A redesigned fit system and improved ventilation, as well as a sleeker profile than previous models, make the G1 feel light as air while riding, with the protection we need on the road.

Lazer’s Rollsys retention system provides a 360degree fit and comfort in a lightweight design. While most helmets have the dial on the back, the G1’s retention system adjusts from the top of the helmet, placing it out of the way of caps or ponytails for greater comfort while we ride. The 22 vents pull air through the helmet’s shell to both ventilate and cool as well as improve aerodynamics for every advantage on race day.

Lazer included two sets of pads with the G1, race or comfort, for either lighter weight or thicker padding, depending on your needs. The G1 MIPS is compatible with Lazer's Aeroshell, available separately, for increased aerodynamic advantage by covering most of the vents, which we also appreciate for colder weather riding. For added peace of mind, a MIPS layer in the G1 redirects rotational forces in the event of an impact.

  • Superlight road helmet with MIPS protection
  • Advanced Rollsys system adjusts for 360degree comfort
  • Compatible with Lazer’s Aeroshell for aerodynamic and weather advantage
  • 22 vents enhance cooling by pulling air through helmet
  • Includes race and comfort pad options to suit your preference

Tech Specs
Ventilation22 vents
Fit AdjustmentAdvanced Rollsys System
Recommended Useroad cycling
Manufacturer Warranty1 year


Head Circumference

20.5 - 22in

(52 - 56cm)

21.7 - 23.2in

(55 - 59cm)

22.8 - 24in

(58 - 61cm)

24 - 25.2in

(61 - 64cm)

Full Face
Head Circumference

20.5 - 21.3in

(52 - 54cm)

21.3 - 22in

(54 - 56cm)

22 - 22.8in

(56 - 58cm)

22.8 - 23.6in

(58 - 60cm)

 HelmetHead Circumference
Nut'Z, Gekko

20 - 22in

(50 - 56cm)

P'Nut, Lil' Gekko

18 - 20in

(46 - 50cm)


20.5 - 22in

(52 - 56cm)


18.1 - 20.5in

(46 - 52cm)

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

What do you think about this product?


>Rating: 5

Fit was awesome

I've used it once or twice and have initial impressions
True to size
Size Bought
5` 8"
180 lbs

This was one of the few higher end race helmets that actually fit my head. I have a 55 cm circumference head and most brands would recommend a size medium but when trying on I have to to size large and even that would be narrow and give me pressure points on the sides of my head on long rides. I wasn’t a fan on how it looked at first but when I was finally able to wear a size medium helmet that fit me just right it looked a lot better wearing it.

>Rating: 5


I've used it several times
True to size

Has one of the highest ratings on the virgina tech test which is why i purchased it. I've gone on several long rides now and it's awesome. Similar to what others have said, you barely notice it on your head, it's that comfortable! Venting is also great, all rides in 90+ F weather and it ventilated extremely well. I will definitely be purchasing the aeroshell once it gets a bit cooler.

>Rating: 5

Fit not for me but great helmet

I returned this product before using it
Runs small
Size Bought
5` 9"
175 lbs

Pro's: Weight: very light Retention strap: adjusts from top of helmet--really cool Visibility: high vis orange is great Looks: looked awesome on Con's: Large did not fit my 60-61cm oval head. The restraining strap still had room to go out further it just did not feel good/right. As I'm reading the reviews and now experiencing trying on a couple of MIPS helmets--the MIPS inserts make the helmet smaller so definitely keep that in mind. The retention straps were very different from any helmet I've tried on before and definitely had a different feel. I think I could have gotten used to it had the fit been good.

>Rating: 5

Super light

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

I've been riding with the G1 for a month. It is very comfortable and super light. I have to touch it to convince myself it is there. I use a do-rag which I notice much more than the helmet.


What are the helmets you recommend not made in china?

>Rating: 5

Lightweight and Safe!

I've put it through the wringer
True to size

I've been riding with this helmet for about a month now and I've been nothing but impressed. This helmet is so light you almost forget it's on your head, but just because it's light doesn't mean it isn't safe. In fact, this one of the safest helmets you can get today. The helmet earned 5 stars in the Virginia Tech Helmet testing which means it's one of the "Best Available" according to their strenuous tests. Before wearing the helmet I thought the Lazer’s Rollsys retention system was a bit of a gimmick but it really is more comfortable than traditional type behind the head adjustments. The helmet vents really well and you forget it's there because of how light and comfortable it is. I find the sizing to be true to size. I went with the medium in this helmet and it's super comfy. For comparison, I also wear a medium in Bell and Giro.

Jonathon: I just got a G1, and although it is very comfortable and lightweight, I have sweat just pouring down my forehead. Seems worse that with Bell, Giro. I have little hair. Could I be doing something wrong as far as the fit? Also- the pads are very similar- is red comfort or race? Pretty tough to tell any difference. Thanks.