The D4 is the helmet that dominates podium steps at downhill and BMX events around the world. It combines safety with light weight and the precision appreciated by the best riders.
Thanks to its premium construction and innovative materials, it delivers maximum protection without unnecessary weight. The details that separate winners from the rest – that’s the D4.
- Best brain protection
The Mips® C2 system protects your head from rotational impacts, which are the most dangerous in a crash. - Ultra-light and comfortable
Weighing just 1000–1150 g and with 20 airflow channels, you’ll barely notice it, while staying protected.
- UD carbon fibre shell
- Three sizes for an optimal fit
- Anatomical 3D-moulded cheek pads
- Emergency release system for rescuers
- Removable, washable and moisture-wicking liner
- Superlight titanium D-rings
- Maximum ventilation and breathability
Specifications:
Weight: 1000–1150 g
Number of vents: 20
Certifications: CPSC 1203, CE EN1078, ASTM F1952-DH, ASTM F2032-BMX
Available versions: Carbon, composite, polyacryl
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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