"Wheels have custom 7-spoke rim design with custom hub cap. Star Mag wheel features state-of-the-art automotive styling but is designed exclusively for trailers. Machined aluminum and clear-coat finish prevent rust and corrosion. Steel lughole inserts allow for greater torque and prevent lug loosening. Kenda Karrier KR03 trailer tire is mounted on Star Mag wheel. Double steel belting and full nylon plies increase strength and product life. Computer-generated tread design and new tire compound create a smooth ride and increase traction in wet or dry conditions. Tire Type Radial, Bolt Circle in. 4 1/2, Load Range C, Rim Size in. 13 x 5, Fits Tire Size ST175/80R-13, Tire Size ST175/80R-13, Holes 5, Load Capacity lbs. 1,360 @ 50 PSI. Bore Size 3.19in. Offset 0mm"