Martin 8x2.5 Steel Wheel, 3" hub, 3/4" Bearing 8" x 2.5" Steel Wheel 3" hub, 3/4" bearings. Rim width is measured inside, bead to bead, NOT outside to outside. Used on garden tractors and lawn carts. For 3.00-8 & 3.50-8 tires. Check your rim style and tire size before... $58.00 Add to Cart