To reduce fuel consumption, guide wheels and trailer wheels typically use straight grooves.
Drive wheels need to provide both driving and braking force, and are typically made of square-shaped "mahjong tile" tires.
Longitudinal tread pattern tires have a longer braking distance, while lateral tread pattern tires can shorten the braking distance, thereby improving safety.
Good tire tread patterns improve water drainage performance, which can enhance grip and handling. However, tread depth and wear can affect water resistance. Therefore, it is important to regularly inspect and replace severely worn tires to ensure driving safety.
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