The cord is the skeleton of the tire, especially for bias tires.
The thin thread coming out of the tire vent hole can be seen in a certain degree of quality, but it is not absolute.
TT tire must use the inner tube, TL tire can be used or not.
There are many symbols on a motorcycle tires. usually including: size,brand,tire type(TT/TL),ply rating,load capacity,speed symbols,rotation,the certification ID(such as DOT,ISO,ECE,etc),TWI,sometimes, also have the manufacture’s mold ID.
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