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  • Limar Air Speed Helmet
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LimarAir Speed Helmet
Sale 25% Off$171.75 $229.00

Item # LIM000I

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Item # LIM000I
Description

Air Speed Helmet

Perhaps you noticed a new aero lid atop some of the riders on Team Astana and Direct Energie at this past year's Tour. That was the Air Speed Helmet from Limar and one we'll go on record saying is one of the better looking aerodynamic helmets going. Sure, we all know that aero equates to faster speeds with less effort, however, we certainly value ventilation, style, and a lightweight build as well, and we're happy to report that the Air Speed checks off all of those boxes.

Limar developed the helmet in conjunction with Team Astana and during its own testing at a wind tunnel in Magny-Cours, France, it was the fastest helmet of the group at speeds of 40 km/h, and the drag numbers were very close to that of its TT specific helmet, the Air King. We feel this is pretty important as research shows that 20% of aero drag comes from the bicycle, think the frameset and wheels, while the other 80% is from the cyclist position and ancillary items such as shoes, clothing, and the helmet. Therefore, the helmet is critical in reducing the frontal area and thus creating a more aero profile. And because cycling is so dynamic, Limar performed three-dimensional simulations using CFD software while creating the shape of the Air Speed's shell to better replicate the cyclist's head position over the course of the ride rather than one static position all without neglecting the need for ventilation and a low weight.

That cooling comes courtesy of 7 vents in the front and 5 vents in the rear joined by 3 longitudinal channels running the length of the helmet. This allows cool air to rush over the head, keeping you cooler while hotter air easily exhausts. Keeping the helmet secure is Limar's Air Fit System offering both vertical and horizontal adjustments for quick and easy fitting. Inside, the soft, washable, and anti-bacterial padding soaks up sweat and prevents any pressure points from interfering with your ride.

  • A no-compromise aero helmet made for racing
  • 235 grams for medium and 270 grams for a large helmet
  • MonoShell In-Mold construction is light and tough
  • Airfit system adjusts with a twist of a dial
  • 12 air vents prevent overheating in hot weather
  • Anti-bacterial pads resist odors
  • 3 longitudinal channels quickly move air
  • Worn by the pros on Astana and Direct Energie
Tech SpecsSize
Tech Specs
Shell Material
Polycarbonate In-mold
Impact Foam
EPS
Ventilation
12 vents
Fit Adjustment
AirFit-System with height adjustment and webbing connection
Certifications
CE EN 1078, CPSC, AS/NZS
Recommended Use
road cycling, track
Manufacturer Warranty
1 year
Size

Limar

Cycling Helmets
UltraLight
 MediumLarge
Head Circumference 20.9 - 22.4in
(53 - 57cm)
22.4 - 24.0in
(57 - 61cm)
778
 MediumLarge
Head Circumference 20.5 - 22.4in
(52 - 57cm)
22.4 - 24.4in
(57 - 62cm)
Speed Demon
  Large
Head Circumference   22.4 - 24.4in
(57 - 62cm)
660
 MediumLarge
Head Circumference 20.9 - 22.4in
(53 - 57cm)
22.4 - 24.4in
(57 - 62cm)
Mountain Biking Helmets
UltraLight
  MediumLarge
Head Circumference   20.9 - 22.4in
(53 - 57cm)
22.4 - 24.0in
(57 - 61cm)
885
 SmallMediumLarge
Head Circumference 19.7 - 21.7in
(50 - 55cm)
21.7 - 23.2in
(55 - 59cm)
23.2 - 24.8in
(59 - 63cm)
875
   MediumX-Large
Head Circumference    20.5 - 22.4in
(52 - 57cm)
22.8 - 25.2in
(58 - 64cm)
757
 MediumLargeX-Large
Head Circumference  20.5 - 22.4in
(52 - 57cm)
22.4 - 24.0in
(57 - 61cm)
23.2 - 25.2in
(59 - 64cm)
X-MTB
   MediumLarge
Head Circumference    20.5 - 22.4in
(52 - 57cm)
22.4 - 24.0in
(57 - 61cm)
545
   MediumLarge
Head Circumference    20.5 - 22.4in
(52 - 57cm)
22.4 - 24.4in
(57 - 62cm)
Sport Action / All Around
685
 MediumLarge
Head Circumference 20.9 - 22.4in
(53 - 57cm)
22.4 - 24.4in
(57 - 62cm)
535
 MediumLarge
Head Circumference 20.5 - 22.4in
(52 - 57cm)
22.4 - 24.0in
(57 - 61cm
Urban / Freeride
Velov
 MediumLarge
Head Circumference 20.5 - 22.4in
(52 - 57cm)
22.4 - 24.0in
(57 - 61cm)
Nutcase
 MediumLarge
Head Circumference 20.9 - 22.0in
(53 - 56cm)
22.4 - 24.0in
(57 - 61cm)
720
  MediumX-Large
Head Circumference 20.5 - 22.4in
(52 - 57cm)
22.4 - 24.4in
(57 - 62cm)
360
 LargeX-Large
Head Circumference 20.5 - 22.4in
(52 - 57cm)
22.4 - 24.4in
(57 - 62cm)
Youth
515
  Medium
Head Circumference   19.7 - 22.0in
(50 - 56cm)
242
 SmallMedium
Head Circumference 18.1 - 20.1in
(46 - 51cm)
20.1 - 22.0in
(51 - 56cm)
149
  Medium
Head Circumference   19.7 - 22.4in
(50 - 57cm)
124
 Small 
Head Circumference 17.7 - 21.3in
(45 - 54cm)
 
121
 Small Medium
Head Circumference 18.1 - 20.1in
(46 - 51cm)
 20.1 - 22.0in
(51 - 56cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

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