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Kask Protone Helmet Yellow Fluo
Kask Protone Helmet Matt Black
Kask Protone Helmet Red
Kask Protone Helmet Black
Kask Protone Helmet Orange Fluo
Kask Protone Helmet Matte Blue
Kask Protone Helmet Grey Matt
Kask Protone Helmet Matte White
Kask Protone Helmet Olive Green Matt
Kask Protone Helmet White
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet
Kask Protone Helmet
Yellow Fluo
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Kask Protone Helmet Yellow Fluo
Kask Protone Helmet Matt Black
Kask Protone Helmet Red
Kask Protone Helmet Black
Kask Protone Helmet Orange Fluo
Kask Protone Helmet Matte Blue
Kask Protone Helmet Grey Matt
Kask Protone Helmet Matte White
Kask Protone Helmet Olive Green Matt
Kask Protone Helmet White
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet Light Blue
Kask Protone Helmet
Kask Protone Helmet
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Kask Protone Helmet

Mfg PartNum:
$299.95
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

Lightweight & Aero

The Kask Protone Helmet's sleek profile was designed with the aid of computational fluid dynamics software to create a shape that retrains its efficiency in the wind through all head angles. The result is a helmet that's quiet and low-drag in any position on the bike.

For a highly personalized fit, Kask's Octo Fit retention system features a rubberized dial tension adjuster, plus vertical adjustability and movable rear cradles. The Coolmax lining has an antimicrobial treatment, and the chin strap is made from eco-leather that's washable along with being super soft to prevent irritation.

Available in multiple sizes and colorways. A helmet storage bag is also included. Made in Italy.

Features

  • Eco-Leather Chinstrap: Chin pad with a synthetic leather chinstrap. The hypoallergenic and washable chinstrap is extremely comfortable and helps to avoid skin irritation.
  • 3D Dry Padding: The tridimensional 3D DRY padding utilizes a multi-layer open cell construction process: high technology for the best comfort and performance.
  • Coolmax Fiber: Removable and washable inner padding in Coolmax material.
  • Inner Frame: The innovative inner strengthening frame offers greater mechanical strength and a better compactness. In case of shock, it prevents the helmet from breaking into many pieces, allowing greater safety for every rider.
  • Octo Fit: Rubberized Micro Dial adjuster provides improved finger grip. Floating cradle contact points combine internal gel pads for optimum comfort. These supports are designed to oscillate freely through 180° allowing a perfect fit on any shaped head. The Skeletal Brackets of the cradle have been designed and refined to provide the best fit and support whilst being as light as possible.
  • Aero Control: Incredibly aerodynamic and top performing shell, tested in a wind tunnel and able to provide a really impressive CX rate. Any position the head will assume the outflow of the air will be perfectly in line with the helmet.
  • High Visibility: High visibility stickers for maximum safety even in poor visibility conditions.
  • MIT: MIT Technology guarantees a higher head safety, with complete polystyrene protection thanks to the polycarbonate layer that covers the shell on the top, on the base ring, and on the back.
  • Weight: 215g (M size)

Sizing

  • Small: 50 - 56cm or 19-11/16in - 22-3/64in
  • Medium: 52 - 58cm or 20-15/32in - 22-53/64in
  • Large: 59 - 62cm or 23-15/64in - 24-13/32in

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

SML
Head Circumference19½"-22"20½"-23"23¼"-24½"   

Mfg PartNum: CHE00037.210 M 

Mfg PartNum: CHE00037.211 L 

Mfg PartNum: CHE00037.211 M 

Black - Small

Mfg PartNum: CHE00037.210 S 

Black - Medium

Mfg PartNum: CHE00037.210 M 

Black - Large

Mfg PartNum: CHE00037.210 L 

White - Small

Mfg PartNum: CHE00037.201 S 

White - Medium

Mfg PartNum: CHE00037.201 M 

White - Large

Mfg PartNum: CHE00037.201 L 

Matt Black - Smail

Mfg PartNum: CHE00037.211 S 

Matt Black - Medium

Mfg PartNum: CHE00037.211 M 

Matt Black - Large

Mfg PartNum: CHE00037.211 L 

Matt Blue - Small

Mfg PartNum: CHE00037.256 S 

Matt Blue - Medium

Mfg PartNum: CHE00037.256 M 

Matt Blue - Large

Mfg PartNum: CHE00037.256 L 

Light Blue - Small

Mfg PartNum: CHE00037.218 S 

Light Blue - Medium

Mfg PartNum: CHE00037.218 M 

Light Blue - Large

Mfg PartNum: CHE00037.218 L 

Olive Green Matt - Small

Mfg PartNum: CHE00037.390 S 

Olive Green Matt - Medium

Mfg PartNum: CHE00037.390 M 

Olive Green Matt - Large

Mfg PartNum: CHE00037.390 L 

Grey Matt - Small

Mfg PartNum: CHE00037.389 S 

Grey Matt - Medium

Mfg PartNum: CHE00037.389 M 

Grey Matt - Large

Mfg PartNum: CHE00037.389 L 

Red - Small

Mfg PartNum: CHE00037.204 S 

Red - Medium

Mfg PartNum: CHE00037.204 M 

Red - Large

Mfg PartNum: CHE00037.204 L 

Yellow Fluo - Small

Mfg PartNum: CHE00037.221 S 

Yellow Fluo - Medium

Mfg PartNum: CHE00037.221 M 

Yellow Fluo - Large

Mfg PartNum: CHE00037.221 L 

Orange Fluo - Small

Mfg PartNum: CHE00037.222 S 

Orange Fluo - Medium

Mfg PartNum: CHE00037.222 M 

Orange Fluo - Large

Mfg PartNum: CHE00037.222 L 

Matte White - Small

Mfg PartNum: CHE00037.321 S 

Matte White - Medium

Mfg PartNum: CHE00037.321 M 

Matte White - Large

Mfg PartNum: CHE00037.321 L 

Ordered by Most Relevant First
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(92%)
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(1%)
(0%)
Reviewed 11/16/2021
by Joe
Illinios
Overall Rating
1 of 1 customers found this review helpful.
Cycling Enthusiast

The Kask Protone is my favorite helmet not only for its looks but for the great comfortable fit that I get. The leather strap is comfortable and stays in place. I've cash tested two of these helmets and have walked away with no head injuries. Great helmets.

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Reviewed 9/23/2021
by John A
Cycling Enthusiast
Northridge, CA
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Expensive but very nice

I like it overall. The combination padding and ventilation made this a very comfortable helmet. In the heat of the San Fernando Vally summer, the Protone is noticeably cooler that my previous Oakley Aro5. The sizing is little on the small side. My head measures 57cm and the medium just fits with very little room to spare. Which is fine because the most that I wear on my head is a thin head sweat cap. Also the padding will likely compress down over time. The straps are the best I've experienced on any helmet which shows Kask's attention to detail. The helmet seems to have a lower profile and doesn't bulge out like the Oakley and Giro's. I used my accumulated points which reduced the price by about 40%. As much as I like it, I don't think I would have paid the full retail price of $xxx.

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Reviewed 3/18/2021
by paisleigharies
Competitive Racer
Charlottesville, VA
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Light. Protective and Smooth

I bought my first Kask helmet (a Mojito) three years ago at an end of cycling season sale from a shop in Colorado's Rockies. Having finally abandoned my leather helmet for fuller helmer protection in the early 1980's, I have owned scores of plastic-based helmets since then. But I would rate the Kask Mojito to be the most easily adjustable, comfortable, light weight helmet I had ever owned....until I purchased the Kask Protone. It is nothing short of amazing that the Protone is actually lighter than the Mojito, offers the same easily adjustable features and comfort, and provides even greater protection of the noggin than does the Mojito. Yes, this is a lot to pay for a helmet. But when I consider what an hour in an ER with a brain injury might cost, this is a minimal investment. That's why I also bought a Protone for my infrequently riding spouse. I want her to have the same level of protection as I have.

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Reviewed 8/5/2021
by Bob
Long Island, NY
Overall Rating
1 of 1 customers found this review helpful.
Great helmet

Lightweight, very adjustable, great airflow on hot summer rides. So comfortable that I forget that I have a helmet on sometimes. I have owned a bunch of helmets but none more comfortable than the Protone.

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Reviewed 7/9/2021
by Phil W
Cycling Enthusiast
Southern Indiana
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Comfortable helmet that looks good!

The Kask Protone is my favorite helmet not only for its looks but for the great comfortable fit that I get. It's lightweight and doesn't ride down on my sunglasses like some other helmets. I also like the assortment of colors available. Thankfully, I haven't tested its crash-worthiness but if the pro teams trust it, I will too. The only drawback is that it's priced higher than many other helmets.

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Reviewed 7/8/2021
by Steve
Cycling Enthusiast
Encinitas
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Nice fit and decent ventilation for an aero helmet

The padding and leather chin strap make for a comfortable fit that's better than my previous Giro. Ventilation is decent for an aero helmet but I still get more sweat dripping into my eyes/glasses than I did with my Giro. All in all a good helmet

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Reviewed 10/12/2020
by Adamm
Cycling Enthusiast
Carson City, NV
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
An absolute treat

I already have a big head and my vanity will not allow me to slap a double-wide MIPS helmet on top of that. So after returning a top-o-the-line Giro that was as wide as my shoulders, I went looking for the lowest profile helmet I could find and Kask was the answer. Not only does is look great but you barely notice it. I just did a century last Saturday and I didn't think about my helmet once, even though everything else hurts. If it's not an issue over 100 miles it will never be an issue.

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Reviewed 5/4/2020
by MatM
Cycling Enthusiast
Gambrills, MD
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Do you want to feel really good about spending money?

I have the Kask Mojito from a few years back. A really good helmet. It has a two way fit. The Protone has the Octofit. Its pretty slick how you can really dial in your fit. I bought a medium and and Im the upper end of the medium. I didnt need to adjust the chin strap. Im a big fan of how the buckle is offset and not in the middle of your chin. I gave it a few cranks on the back. Very nice fit. I cant say if this helmet is noisy as of yet, its gust in here today. Ive been more focused on staying upright. But my initial indications say its probably no noisier than any other aero helmet Ive used.

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Reviewed 3/25/2021
by Tom
Leeward Coast, Oahu
Overall Rating
1 of 1 customers found this review helpful.
The best got better

My older Protone needed a "freshening up". BTD had cool matt black and said why not. Typical 5 star service and delivery from you guys had my helmet at my door in a flash. Was pleased to find Kask had improved on some minor weak points. Amazing product and amazing service from biketiresdirect.com.

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Reviewed 7/5/2021
by Van M
pennsylvania
Overall Rating
1 of 1 customers found this review helpful.
Protone

My favorite fitting helmet, looks better than most in my opinion as well.

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Reviewed 8/8/2019
by Snowman
Cycling Enthusiast
N.E. Ohio
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
BEST HELMET EVER

Had to replace my old helmet. Looked for a new one for a couple of weeks until I found one I felt was the best out there. Wanted light weight, keep your head cool, good fit and does not sit high on top your head. The Kask Protone does it all ! What made my final push to buy was the online chat help I received from the Bike Tires Direct representative. When I received it, it was better than expected.

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Reviewed 5/30/2019
by John
Daily Commuter
New York, NY
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Great Fit & Appearance

I have a large head and have owned a lot of helmets over the years, mainly Bell and Giro. This is the best-fitting helmet I've owned (I got the 59-62). I put it on and forget it's there. The strap connection points are adjustable so they position around your ears well, and the under-chin strap is comfortable. The buckle's in an odd place, right against the corner of my jaw, but I don't notice it while riding-mainly an aesthetic issue. The helmet nicely snugs around the crown and back of my head, and it's contoured well so it doesn't look too much like a mushroom atop my big head.

I may be imagining it, but the helmet also feels very aero from all angles. I ride in a lot of cross- and head-wind, and the wind doesn't seem to catch my head like it did with my Bell Sweep. I haven't ridden in hot weather yet so I can't speak to cooling or sweat management.

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Reviewed 5/6/2019
by VanBiker
Cycling Enthusiast
Vancouver, BC
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Great fit, comfortable and looks good

The Protone fits well, is comfortable and the slimmer profile makes it more attractive than many bulbous helmets on the market. The quality of finish is excellent and the level of comfort is high. A helmet is definitely worth spending extra money on if you find it comfortable, you like the looks and it provides some level of protection. As one who struggles with sweat in the eyes, the Protone offers little help. That said, I have yet to find a helmets solves that problem. Hats and headbands are my only solution. As usual, Bike Tire direct service was excellent.

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Reviewed 11/9/2018
by Z5_Rider
Cycling Enthusiast
New York, NY
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Excellent Helmet

Bought a Medium on sale and my 58 head fit perfectly. Adjustments are more advanced than other helmets on the market. Great chin strap. Bonus, I do not look like a mushroom.

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Reviewed 4/6/2020
by AndyS
Competitive Racer
Fountain Hills, Arizona
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Best helmet, EVER

Most comfortable helmet I have ever worn. Great price too. Kask Protone is now my Go TO helmet.

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Reviewed 1/11/2021
by Pops
61704
Overall Rating
3 of 3 customers found this review helpful.
Kask Protone

Great helmet. I love the fit on these helmets. I've wrecked on two occasions, but the helmet did there job to protect my head.

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Reviewed 7/6/2017
by Anonymous
Cycling Enthusiast
Santa Monica, CA
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Great Ventilation and Fit!

I have an enormous skull and this is a great fit, which is a rare treat. Cool and quiet. Love!

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Reviewed 1/30/2020
by Rick @OCRR
Cycling Enthusiast
Los Angeles, CA
Value Rating
Overall Rating
3 of 3 customers found this review helpful.
Excellent helmet, well made, well vented, be careful on the sizing!

Overall I like the KASK helmet, reasonable weight, very well vented, but be careful on the sizing. I am a very medium sized guy but the medium helmet was almost too small on me. I had to max out the sizing adjustment ring to get an acceptable fit. Straps are well located, attachment buckle is on the side where it does not touch your head, so that is a very nice feature.

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Reviewed 2/10/2017
by WestchesterBiker
Competitive Racer
Westchester, NY
Value Rating
Overall Rating
7 of 7 customers found this review helpful.
Best helmet I've used to date - comfort, speed and looks - this has it all.

Still in the early stages of using my new Kask Protone. Initially drawn to it by positive reviews from ride buddies. Compared to my previous helmets I can tell and feel that this is made with a view to cutting the air efficiently. It is comfortable with good venting and a high quality retention system, which on a ride lasting several hours on what could be a hot day, is critical. My previous helmet looked like a mushroom on my head - this does not. Plenty of flexibility in the retention to accommodate cold weather skull cap or liner. Sunglasses fit without problems. My only issue is that it feels a bit too snug on my forehead which I expect is more a function of my head shape rather than being any sort of design flaw.

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Reviewed 1/13/2017
by Bikebaker
Cycling Enthusiast
Lodi, CA
Value Rating
Overall Rating
3 of 3 customers found this review helpful.
Sleek Modern Helmet

I use this product for every bike ride, short or long. It's stylish, comfortable and different than all others. I have received many compliments.

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