Martin 4x2.75 Steel Wheel, 2.25" hub, 5/8" Bearing Steel Wheel 4" x 2.75" wheel. 2.25" hub, 5/8" bearings. Rim width is measured inside, bead to bead, NOT outside to outside. Used on garden tractors and lawn carts. For 3.00-4 and 4.10-4 tires. Check your rim style and tire size... $42.85 Add to Cart