Comprehensive knowledge of bicycle helmets

1, bicycle equipment helmet: that is, the head in the top of the big mushroom Ha, because of its fragile head to provide protection, it is essential equipment cyclists. In this case,
2, the role: anti-collision, to prevent the branches hit the leaves, to prevent flying stone hit, diversion of rain, ventilation, speed. Helmet with brim can sunscreen, the helmet on the reflective signs can also be posted in the night when riding to prevent accidental collision. In this case,
3, to determine the helmet good or bad: (standard) including texture, weight, lining, wearing comfort, ventilation, wind resistance effect. In this case,
4, texture: the general use of foam helmet material (broken by the impact to absorb vibration, to protect the head effect) cast, and a smooth shell surface.
5, the lining: the inside of the helmet and head contact part, it can enhance the wearing comfort in peacetime, in the head by the impact of buffer effect. The well-crafted helmet has a large inner lining, a better texture, and a firmer fit on the inside of the helmet. In this case,
6, wear comfort: mainly because of weight, lining, lace and head circumference is appropriate to bring personal feeling, wearing a comfortable helmet can greatly reduce the rider's head and neck by the oppression and the impact of the largest Limit to enhance the protection effect.
7, breathability: the long-term in the airtight state of the head will have adverse effects on the scalp, but also allow the rider feel uncomfortable. So a good helmet or hole number is more, or the hole area is relatively large, this is to enhance the permeability.
8, the wind resistance effect: the helmet will be in the helmet of the human hair, itself has reduced the head of the wind resistance, and keen to enhance the speed of friends, helmets on the impact of wind resistance is also worthy of attention. In this case,
9, the type of bicycle helmets: half helmet-style helmet is divided into road-specific (no brim), mountain road dual-use (with removable hat) and so on. There are also friends using a helmet similar to baseball or roller skating. Full helmet type helmet shape similar to the motorcycle helmet, usually downhill or climbing car enthusiasts.