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Item # KAT0002

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Item # KAT0002


Calling the Catlike Vacuum Helmet the most conventional looking helmet in the 2012 Catlike line would be tantamount to arguing that Cippolini's pink skinsuit for the 2005 Giro was his most conservative wardrobe choice. Granted, it's not as immediately memorable as Catlike's top-shelf Whisper Plus (the equivalent to Cippo's zebra-striped skinsuit), but for many of us, that's probably a good thing. More important though, is that the Vacuum is an economical alternative to the Whisper Plus, while retaining the clean lines, complex technologies, and overall striking aesthetic choices that Catlike is best known for.

Like all Catlike helmets, the dramatic appearances aren't without rhyme or reason. Each design is intelligently engineered to enhance the helmet's ventilation efficacy while maintaining the strict safety standards established by CPSC. The Vacuum is constructed around Catlike's Air Tube System, which, similar to the structure of the Catlike Sakana (another radical Catlike design that is not currently available on U.S. shores), is a series of small tubes connecting the helmet's segmented 'fins' together. While elegant, the design also cleverly divides the helmet into impact-absorbing crumple zones that dissipate energy at the time of a crash — not unlike the skeleton of a compact car. These fins strengthen the core structure of the helmet, and allow Catlike's engineers to reduce weight in other areas, giving you a helmet that tips the scales under 300 grams in all three of the available sizes. The fin structure also opens up a wide range of possibilities for ventilation. The Vacuum has 19 generous vents, most of which run lengthwise around the helmet along the Air Tubes. Each forward-facing vent has a matching rear exhaust vent to keep a constant and efficient circulation of cool air over your head while you ride.

The Vacuum uses the same MPS (Multi Position System) retention system as the top-shelf Whisper Plus. The MPS is constructed around a rubberized plastic strap that attaches into, and pivots from, a socket in the shell of the helmet at the temple, which then follows the side of your head and curves around towards the back, where it floats freely from the nylon web straps. The rubberized strap is soft and pliable, so it never gets crimped or warped in your gear bag, and it always conforms to your head's natural shape. The MPS suspension has two lateral adjusters that have a push button release on a ratchet strap that connects across the back of the head to allow for circumferential adjustment. This allows the whole system to slide up and down on the rearward web straps. So up, down, and around, the Vacuum can comfortably accommodate a wide variety of head shapes.

Designed for both road and mountain use, the Catlike Vacuum Helmet includes a detachable visor. Plugs for the visor holes are also included, for when the visor is not in use. It is available in Small, Medium, and Large sizes. Choose between Black/Grey/White, Matte Black, Red/Grey/White, and White.

Tech Specs

Fit Adjustment:
MPS (Multi Position System)
Claimed Weight:
280 g
Recommended Use:
enduro, cyclocross, road racing

Size chart


Mixino, Mixino VD2.0
Head Circumference 20.5 - 21.3in
(52 - 54cm)
21.7 - 22.4in
(55 - 57cm)
22.8 - 23.6in
(58 - 60cm)
Head Circumference 21.3 - 22in
(54 - 56cm)
22 - 22.8in
(56 - 58cm)
22.8 - 24in
(58 - 61cm)
Head Circumference 21.3 - 21.7in
(54 - 55cm)
21.7 - 22.4in
(55 - 57cm)
22.8 - 23.6in
(58 - 60cm)
Head Circumference 20.1 - 21.3in
(51 - 54cm)
21.7 - 22.8in
(55 - 58cm)
23.2 - 24in
(59 - 61cm)
Head Circumference  21.3 - 22.4in
(54 - 57cm)
22.8 - 23.6in
(58 - 60cm)
 One Size
Head Circumference 21.3 - 22.8in
(54 - 58cm)
Chrono WT
Head Circumference 21.3 - 22in
(54 - 56cm)
22.4 - 23.6in
(57 - 60cm)
Chrono Aero Plus
 One Size
Head Circumference 21.7 - 23.6in
(55 - 60cm)
Head Circumference  21.3 - 22.4in
(54 - 57cm)
22.8 - 24.4in
(58 - 62cm)
Head Circumference 19.3 - 20.5in
(49 - 52cm)
20.5 - 21.7in
(52 - 55cm)
21.7 - 22.8in
(55 - 58cm)
How to Measure:
Measure around your head where your hat would fit comfortably.

Reviews & Community


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for the round headed

    My head circumference was right on the listed measurement, but the helmet was too small back-to-front and too big on the sides. Returned it. Seems like a nice helmet, but not for my head shape.

    Avg. ride time: 3h 26m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Versatile and comfortable helmet

    • Familiarity: I've used it several times

    I switch regularly between road and mountain riding and got this helmet to fulfill both functions, and have been using it for a few months at this point (luckily without any crash testing). As other reviews have mentioned, the straps can be a bit finicky to get settled initially, but after fiddling with them for a ride or two to get them set correctly, I stopped even noticing that I'm wearing the helmet anymore, which is exactly how it should be. Other than the under-ear strap clips, the other adjustment options were easy to customize to get the fit right as advertised. Ventilation has been great on both road and mountain rides in a variety of conditions. It's worth noting that the matte finish is starting to flake off slightly revealing gloss underneath just from everyday use and storage over a few months. Overall, I've been pleased with this helmet and would definitely consider purchasing it again when I'm up for a replacement.

    Avg. ride time: 4h 43m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    OK Helmet. Very unique.

    • Familiarity: I've put it through the wringer

    I've used this helmet for almost a year now. I like it and get comments about how unique it is all the time. It is light, fairly comfortable and ventilation is awesome. Couple other notes about the helmet:

    - The strap clip where the straps come together below your ears are awful. I removed them and replaced them with my old rudy project ones that were much sturdier.

    - The matte paint job is not actually matte paint. It is gloss covered by a matte film. The film comes off in tiny spots fairly easily from pulling in and out of my race bag.

    - The big hole in the front makes scratching an itch on the front of your nogging pretty easy, but the rest of the vent design sucks for storing your sunglasses in the vents of your helmet, if you are into doing that.....

    Helmet use

    • Familiarity: I've put it through the wringer

    Catlike helmet is a really good helmet with al of the uses and safety protections of the more expensive helmets. Its design is functional and keeps the head cool, even in hot desert like conditions! No problems with this item. A good value for the price.

    I like it!

    • Familiarity: I've used it several times

    I ended up with this helmet after trying a couple of other helmets.

    It is super comfortable! The ventilation is awesome; if I turn my head, I can literally feel the wind blowing my hair. I love the fact that no one I ride with wears anything close.

    The one issue is that the straps, while comfortable, are a pain to get set and never lie flat.

    All in all, I'll be wearing it as long as I can and would probably get another if I had to replace it.