Troy Lee Designs SE4 Mono Polyacrylite MIPS Fullface 头盔 XS (54-55厘米) white
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Troy Lee`s SE4 with MIPS protection
TLD's premium motocross helmet SE4 is equipped with a 13% thicker EPS layer (EPS = expanded polystyrene) and the MIPS® system, which optimally distributes and absorbs rotational forces in the event of an impact, ensuring the ultimate protection for the head.
highlights
- The MIPS® system reduces the rotational forces acting on the brain during a fall
- 13% more EPS in the frontal forehead area than closest competitors
- 8% more upper and rear parietal EPS than closest competitors
- Plastic visor screws and brass inserts for easy breakaway on impact
- EPS extends to the lower back of the head for extended protection
- Anatomically 3D-shaped, close-fitting cheek pads with emergency release system for emergencies
- Stainless steel double D-ring clasp
- Technologically mature composite shell construction
- 3 separate EPS layers that are specifically tuned in density for different impact speeds
- Expanded Polypropylene (EPP) chin bar padding for multi-strike performance
- TLD comfort head pad
- Removable, washable "snap-in" comfort liner made of moisture-wicking CoolMax™ and Dri-Lex™ materials
- Highly air permeable intake system with 16 intake ports and 6 large rear exhaust ports
- Massive airflow channels use negative pressure to pull warm air away from the rider's head, providing tremendous cooling - a significant benefit in warm riding conditions
- 3 shell sizes to better suit different riders' head sizes and ages, improving overall safety
- Large surface area on top ideal for various GoPro mounting positions
specification
| specification | description |
|---|---|
| area of application | Downhill, enduro, motocross |
| MIPS | Yes |
| Material outer shell | polyacrylite |
| Material inner shell | EPS |
| ventilation openings | 16 |
| pads | Removable and washable |
| locking system | Double D ring |
| head circumference | 54 - 55 cm (size XS) / 55 - 56 cm (size S) / 57 - 58 cm (size M) / 58 - 59 cm (size L) / 60 - 61 cm (size XL) / 62 - 63 cm ( size XXL) |
| extras | 3D cheek pads |
| weight | approx. 1500 g (size M) |
Technologies used
In this chapter we explain the technologies that the manufacturer uses in this product.
MIPS
The MIPS® safety system was developed to provide additional protection for helmets in numerous accidents. In certain impact situations, the MIPS system can reduce dangerous forces that might otherwise be transmitted to the helmet wearer's head.
1. Conventional helmets are designed and tested for a straight impact. In most cases, however, the impact is at an angle, which can cause rotational movements for the head.
2. This rotational movement can cause brain injury.
3. The low-friction shell is designed to help reduce rotational movement of the head in certain cases of angled impact.
Straight impact - oblique impact
The brain is typically more sensitive to rotational movement than linear movement because it has a shear strength similar to that of water or gel. When rotational movement causes different parts of the brain to move at different times, the tissues can be stretched, causing concussions or other brain injuries.
Rotational motion is a common cause of concussion and more serious brain injury from an oblique impact to the head. The MIPS system consists of a low-friction shell that is fixed inside the helmet. The low-friction shell is designed to slide slightly inside the helmet in the event of an accident, allowing forces to be directed away from the head. It is said to help reduce the risk of brain injuries.
Most conventional helmets are designed for a straight impact, but in most cases the impact is at an angle. The low-friction shell can reduce the rotational forces of an oblique impact.
Security system with the brain as a model
Unlike conventional helmets, which are primarily designed and tested for a straight impact, the low-friction shell of the MIPS system mimics the brain's own protection system against rotational movement. The cerebrospinal fluid is our natural defense system that allows the brain to move offset to the skull.
scope of delivery
- 1 x Troy Lee Designs SE4 Polyacrylite Mono Fullface Helmet (see item description for details)
- 1 x helmet bag
- 1 * Quick Start Guide
