NAME:HELMET
MODEL:H-203
TYPE:CYCLING HELMET
PROCESS:IN-MOLD
MATERIAL:EPS+ABS
VENTS:14 HOLES
WEIGHT:ABOUT 351G
SIZE:M(54-58CM)/L(58-63CM)
Knowledge of mountain bike riding helmets
Cycling helmet: It is the big mushroom worn on the head. Because it can provide protection for the fragile head, it is a must-have equipment for cyclists.
It is useful for anti-collision, preventing branches and leaves from hitting, preventing flying stones from hitting, diverting rainwater, ventilating, and speeding up. A helmet with a brim protects against sun protection, and a reflective logo on the helmet can prevent accidental collisions when riding at night.
Criteria for judging the quality of a helmet: including texture, weight, lining, wearing comfort, breathability, and wind resistance:
Texture helmets are generally made of foam (normal or high-density – the difference between the two is their anti-collision effect) and have a smooth shell surface;
The weight on the head should not be too heavy, which is why the cycling helmet does not use alloy materials;
The inner lining is the part of the inside of the helmet that is in contact with the head. It can improve the wearing comfort at ordinary times and produce a cushioning effect when the head is hit. A well-crafted helmet has a larger inner liner coverage, better texture, and a stronger bond to the inside of the helmet;
Wearing comfort is mainly due to the weight, lining, lacing and personal feel of the fit of the head circumference. Wearing a comfortable helmet can greatly reduce the pressure on the rider’s head and neck and maximize the impact on the rider. protective effect;
A breathable head that is not breathable for a long time will have a bad effect on the scalp and will also make the cyclist feel uncomfortable. So a good helmet either has more holes, or has a larger hole area – this is all to improve breathability;
The wind resistance effect helmet tucks people’s hair into the helmet, which itself reduces the wind resistance of the head. For friends who are keen to increase the speed, the influence of the helmet shape on the wind resistance is also worthy of attention.
Types of riding helmets: Half-helmet riding helmets are divided into road-specific (without brim), road and mountain dual-use (with detachable brim), etc. There are also friends who use helmets similar to those used in baseball or roller skating. Full-face riding helmets are similar in shape to motorcycle helmets and are generally used by downhill or climbing bike enthusiasts.
How can it be considered a good frame Lightness, firmness, and good elasticity are all pursued by the frame. In order to achieve these goals, it depends on the craftsmanship of each frame manufacturer. For example, whether the designed frame is designed according to the strength and characteristics of the material, and whether the welding process is mature. These all directly affect the appearance, strength and elasticity of the frame. The more important thing is to spray paint. A good frame is evenly sprayed and sprayed with 3-4 layers of paint. Don’t underestimate the spray paint, a good spray paint can make the bicycle easy to maintain and not easy to rust. A good spray paint makes the bike easy to maintain and less prone to rust If you use a frame that does not meet the above requirements to load the car, it is possible to produce a bicycle that cannot ride straight or turn easily, or a bicycle that quickly retreats.
