When you're charging singletrack, riding dirt jumps and grinding out XC miles, the aggressive, all-mountain Troy Lee Designs A1 Classic Mips bike helmet offers cool comfort and advanced protection.
- Rotational motion can cause brain injuries; with Mips®, a low-friction layer slides 10 to 15 mm in all directions, reducing rotational motion to the brain during impact
- 8 pressurized intake passages draw in cool air for maximum ventilation; rear vacuum vortex outlets help exhaust and draw heat away from your head
- Multipurpose cam-lock adjustable stabilizer
- Full-spectrum adjustable visor
- Anodized aluminum hardware
- Certified for the following standards: CPSC 1203, CE EN 1078, AS NZ 2063: 2014
Imported.
To find your size, position a tape measure just above your ears and about 1 in. above your eyebrows. Keep the tape level to measure the circumference around the largest part of your head and then find the corresponding size in the Technical specs info.
View all Troy Lee Designs Mountain Bike Helmets| Best Use | Mountain Biking |
|---|---|
| Helmet Style | Mountain Bike |
| Helmet Construction | In-mold |
| Shell Material | Polycarbonate/expanded polystyrene |
| Vents | 15 |
| Visor/Brim | Yes |
| Gender | Unisex |