HPI Racing 4411 Ground Assault Tire 2.2 S Compound (2) Perfect for the rear of most 1/10th scale 2WD trucks and all four corners of 4WD trucks The Ground Assault tires feature square pins for durability and high grip The rounded contour allows consistent traction on uneven surfaces, high grip in the corners, and low resistance on straightaways Internal tire ribs help prevent deformation at high speeds and strengthen the tire so that soft compound rubber can be used