GC21
Strong pattern block, reinforcing bars for better toughness, stability and high speed of the tire;
Herringbone pattern has strong off-road performance;
Low air pressure and wide driving tread design to provide small groud specific pressure

GC16
Unigue block pattern design
Better traction performance and self-cleaning performance
Suitable for desert, Gobi, mud and other conditions, and also suit-able for driving on paved road