The A3 helmet from Troy Lee Designs isn’t just a piece of kit — it’s a revolution in safety and comfort.
Built for ambitious cyclists who refuse to compromise, it combines cutting-edge protection technology with unrivalled lightness.
With 16 intelligently positioned ventilation ports, the helmet practically disappears on your head, while its advanced construction protects you like never before. A feeling of safety without the feeling of weight — that’s the A3 promise.
- Maximum protection with Mips® B-Series technology
Your brain is protected against rotational impacts by one of the most advanced systems on the market, significantly reducing the risk of injury in a crash. - Incredible lightness — just 315 grams
So light you’ll barely notice it, yet it delivers the pro-level protection you need.
- In-mould EPP and EPS construction
- 16 optimally tuned ventilation ports
- Advanced three-piece shell
- Sweat Glide system — wicking EVA foam
- 3D magnetic Fidlock® system
- Smart breakaway visors
Specifications:
Weight: 315 g
Visor: 3-Way Magnajust®
Inner liner: 2-piece Ionic®
Certification: CPSC 1203, CE EN 1078, AS NZ 2063:2008*
Note: Certifications vary by regional standards
What started as a hobby for motocross racer Troy Lee, painting helmets for his friends in his parents' garage, has grown to become recognized as the premier helmet painting competition in the world. Troy Lee Designs supplies motocross and mountain bike equipment to the world's fastest racers.
Helmy D4:
| Velikosti | XS | SM | MD | LG | XL | 2X |
|---|---|---|---|---|---|---|
| CM | 53-54 | 55-56 | 57-58 | 58-59 | 60-61 | 62-63 |
Helmy D3:
| Velikosti | XS | SM | MD | LG | XL | 2X |
|---|---|---|---|---|---|---|
| CM | 53-53 | 54-55 | 56-57 | 58-59 | 60-62 | 63-65 |
Helmy A3 a Stage:
| Velikosti | XS/S | M/L | XL/XXL |
|---|---|---|---|
| CM | 53-56 | 57-59 | 60-63 |
Helmy Flowline a Flowline SE a Grail:
| Velikosti | YOUTH | XS/S | M/L | XL/XXL |
|---|---|---|---|---|
| CM | 48-53 | 53-56 | 57-59 | 60-63 |
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