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POCVentral Spin Raceday Helmet

Item # POC00AY

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Item # POC00AY

Spin to win.

For cyclists not competing in the upper rungs of professional cycling, helmets have been sort of an afterthought in terms of providing free speed. However, things are rapidly shifting in the design of modern road helmets. Many are now balancing the needs of ventilation, protection, and streamlined aerodynamics in an attractive package for those cyclists competing in everything from their local crit series to endurance events where reducing drag is essential across long distances. In these instances, newly developed helmets like the POC Ventral Spin Raceday Helmet provide a leg up on the competition by saving precious watts and can be the difference between standing atop the podium and watching from a distance as the winners celebrate. This particular version of the POC Ventral Spin Raceday boasts race-specific colorways that are a bit more subdued than usual, but otherwise it remains exactly the same as the standard Ventral Spin Helmet.

POC's Ventral Spin Helmet is touted as the most aerodynamic, well-ventilated, and safest road helmet ever produced by the Swedish protection experts. Its name takes inspiration from the guiding scientific principle behind the helmet's design: the Venturi effect. This scientific principle states that by constricting airflow in a choke point, the air pressure subsequently drops as it gains velocity. POC's engineers used this guiding principle to maximize ventilation by sculpting massive airflow vents in the front, which channel air inside constricted channels over the top of your head, then out from large exhaust ports along the sharp, trailing rear.

By speeding up the flow of air inside the helmet, the Venturi effect means you'll remain cool and comfortable as you ride at a blistering cadence, even in the summer heat. Not only that, but the sharp trailing edges of the helmet smoothly reattach airflow coming through the helmet with that moving over the top, subsequently minimizing turbulence off the rear end, which is critical in making an exceptionally aerodynamic helmet.

POC decided to upgrade the Ventral Spin's protective properties with their newly introduced Spin rotational protection impact system. This minimizes the traumatic forces from crashing at an oblique angle by allowing the helmet to rotate independently around your noggin in the case of an angled crash. Spin pads placed inside the helmet are fixed in place, but exhibit a bit of movement, which gives the helmet a bit of shear in the case of a crash. These pads are made of a silicone-based material on the bottom for impact mitigation, lined with traditional foam on top for sweat-wicking comfort.

Now, we generally take claims of watt-saving aerodynamics with a grain of salt, but POC makes an excellent case for employing well-known science into the making of their flagship road helmet, thereby increasing its streamlined efficiency while boosting comfort in the stifling heat of summertime—all while upping its protection from oblique impacts with their Spin liner system. We'll go as far to say that by merging advanced aerodynamics, high levels of ventilation, and enhanced safety, POC created one of the highest performing, most attractive helmets we've seen in quite some time.

Please note, the fit runs especially small on the Ventral Spin Helmet, so size up according to your individual preferences and racing needs.

  • POC's most aerodynamic, well-ventilated, and safest helmet
  • Raceday version is less flashy, otherwise remains the same
  • Inspired by Venturi effect for ventilation and aerodynamics
  • Inside airflow increases in speed to maximize ventilation
  • Sharp trailing edge reattaches airflow for aero efficiency
  • Spin pads reduce rotational forces from an oblique crash
  • Adjustable retention system on the rear dials in the fit
  • Please note the fit runs small, so size up if needed
Tech SpecsSize
Tech Specs
Shell Material
unibody shell
Impact Foam
9 large vents
Fit Adjustment
size adjustment system
Recommended Use
road cycling
Manufacturer Warranty
1 year


Head Circumference  21.7 - 22.8in
(55 - 58cm)
23.2 - 24.4in
(59 - 62cm)
Octal, Cerebel
Head Circumference  19.7 - 22in
(50 - 56cm)
21.3 - 23.6in
(54 - 60cm)
22 - 24.4in
(56 - 62cm)
Skull Orbic Comp, Skull Orbic X, Skull Comp, Super Skull Comp, Skull X, Skull Light, Receptor Bug, Sinuse, Receptor Bug Comm.
Head Circumference 20 - 20.5in
(51 - 52cm)
20.8 - 21.3in
(53 - 54cm)
21.5 - 22in
(55 - 56cm)
22.5 - 22.8in
(57 - 58cm)
23.3 - 23.5in
(59 - 60cm)
24 - 24.4in
(61 - 62cm)
Crane, Fornix, Fornix Backcountry, Skull Light II, Receptor Bug Adjustable, Trabec, Trabec Race, Receptor Flow, Skull Light Women's
Head Circumference 20 - 21.3in
(51 - 54cm)
21.5 - 22.8in
(55 - 58cm)
23.3 - 24.4in
(59 - 62cm)
Synapsis, Frontal, Receptor+, Receptor Backcountry
Head Circumference  20.9 - 21.3in
(53 - 54cm)
21.7 - 22in
(55 - 56cm)
22.4 - 22.8in
(57 - 58cm)
23.2 - 23.6in
(59 - 60cm)
Cortex DH
Head Circumference  20.9 - 21.7in
(53 - 55cm)
21.7 - 22.4in
(55 - 57cm)
22.8 - 23.6in
(58 - 60cm)
How to Measure:
Measure around your head where your hat would fit comfortably.

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Another Great POC option

  • Familiarity: I've used it several times

For the past year, I have been riding in the POC Octal, and that has been my absolute favorite helmet so far. It is light and vents well, and most importantly, it fits great! This Ventral is a similar fit to the Octal, but I feel that it is a bit more shallow than the Octal. Other than that, I am really pleased with it. The SPIN pads are comfortable and offer that extra bit of protection from rotational forces, so that is a big plus. As always, if you can try on the helmet in person before buying, that can be very helpful, because we all have very different heads and this helmet will not be for everyone.

Avg. ride time: 5h 32m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Nice. Mushroom for my head.

  • Familiarity: I returned this product before using it
  • Fit: True to size
  • Size Bought: medium

Pretty nice helmet. I have a POC MTB raceday, top of the line, whatever it's called. The MTB helmet is deep, maybe a bit too much as it occasionally bangs into my glasses but it's pretty comfortable and nice, and light and has a good retention system.

This helmet feels pretty shallow, I wanted to get the base-of-skull ratchet system as far down as possible. Comfort is good for a helmet with a rotational protection system (POC proprietary in this helmet I guess, not MIPS). I've yet to put on a MIPS helmet I would wear due to comfort issues.

This helmet seems like it would be relatively aero and vent well due to the relatively standard aero designs these days of vents in the front and solid plastic on much of the back so when your head is down air is mostly moving around instead of through the helmet.

Alas, I never tried this baby because it sticks out on the sides a ton and makes me look like a mushroom so I sent it back.

Good Helmet, but ....

    The Ventral helmet in terms of design, safety and aerodynamics has no complaint, however, the eye garage does not work as well as in the Octal helmet that is perfect, in the Ventral is a kind of foam the sunglasses slip , in the Octal is a plastic that perfectly grasps sunglasses. They never slip or fall.

    Unanswered Question

    I have a Trabec Race in M/L. Would a medium be a similar fit? Thanks.

    Avg. ride time: 9h 20m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Ventral Spin tested

    • Familiarity: I've put it through the wringer
    • Fit: True to size

    I bought the Sm- and the Med at the same time to try both. The small fits just like the measurements on the package. Lots of adjustments to the inner cage with 4 notches extending the disk down the nape of your skull. This places the dial where you need it. Then adjust the tightness via the dial around your head. My head is a 54cm and narrow side to side. This fits awesome, the buckles and strap system is well placed and very nice , close fitting to the temples and jaw. As far as aerodynamics, it feels faster than my previous Road helmets , ie less drag on the skull when going 25 plus, or into a headwind . It’s light and seems to disappear when on. That’s the best compliment I can give it.

    I like the spin pad system . Makes sense. The helmet is well built , very high quality all around. Only thing I would like to see would be a bit more room over the ears for sunglasses, but that could be how the helmets fit me. I have that issue with most helmets in the winter when wearing a thermal skullcap as it pushes the ear bows out. With no skull cap, no problem.

    Highly recommended. Don’t base your sizing off the fit of other POC helmets, as I ordered the OCTAL Spin in small and med. and it fits slightly different.

    I did a 3 day stage race this Friday-Sunday and loved the helmet.

    Ventral Spin tested