The accessories of a suitcase often determine the life of a suitcase, a good suitcase, accessories are very important.
Pull rod: Pull rod material is usually aluminum alloy, steel, structure of one section type, two sections type, three sections type.
Two section type, three section type, refers to the pull rod can adjust the length according to the weight of the box.
Generally 20 inches, 24 inches use three cut, 28 inches use two cut.
Choose and buy, pull rod must choose built-in and steel or aluminum, aluminum light and strong, otherwise can not withstand the brutal loading and unloading, in addition, look at the other configuration of the suitcase, such as the button is humanized, pull rod in the pull is smooth.
At present, the best tie rod in China is Jiangshun tie rod, but because its price is more expensive, so only the use of Jiangshun tie rod for big-name suitcases, such as the use of Bulamei suitcase is Jiangshun tie rod;
Roller: Roller material is usually rubber, wear-resistant and shock-absorbing, low noise.
It comes in both built-in and external.
The built-in roller is generally known as the one-way wheel, the advantage is durable, withstand the brutal handling of consignment, the disadvantage is not free to change the direction, suitable for towns, railway stations, bus stations any road;
External Roller A roller that can roll in any direction is often called a “universal wheel”.
The benefit of “universal wheel” is that the suitcase can change direction freely with the movement of your body in operation, but its disadvantage is that it can not withstand the rough handling of consignment, suitable for high-end shopping malls, airports, smooth roads;
External roller is generally divided into 4 rounds and 8 rounds, which is the so-called single row and double row of wheels, in terms of robustness, single row of wheels is better than double row of wheels;
Robustness: unidirectional wheel > aircraft wheel > universal wheel maneuverability: aircraft wheel > universal wheel > unidirectional wheel market price: aircraft wheel > universal wheel > unidirectional wheel zipper and aluminum frame: suitcase opening commonly used in two forms: aluminum frame and zipper;