8" x 2" Ironman Wheel - 7200 Lbs. Capacity8" x 2" Ironman Wheel The Ironman wheel is an exclusive compression molded compound, providing maximum strength and load capacity in a non metal material. It can easily handle sharp temperature changes, and the sturdy design is ideal for power towing applications. Tread & Core: Compression Molded Poly Compound Bearing: Sealed Precision Bearing Capacity: 7,200 Lbs. Color: Black Durometer: Shore D 78 82 Temperature Range: 40 F to 250 F Load Capacity