Model Number: 280/250-4 Brand Name: Carefree Tire Key Specifications/Special Features: Different dimension, color and tread are optional.Much lighter than traditional rubber wheel.Eliminate costly repair or replacement of tires and tubes.Strengthening drum wheel, solid deformation, anti-skid tread, thick PU material, super wear-resistant, does not crackJiaxing Carefree Caster offers a full range of Flat Free tires, pneumatic tires, and casters ranging from lawn & garden equipment, industrial material handling equipment, medical mobility equipment, scooters. Golf carts, bicycles, and baby strollersMuch lighter than traditional rubber wheel.Pros: beautiful wear, corrosion resistance, impact resistance, large capacity, flexible rotation, muteLong lasting based on high standard material.Pros: beautiful wear, corrosion resistance, impact resistance, large capacity, flexible rotation, mute Wheel type Foam Filled Wheel size 280/250-4 Wheel diameter 9.06"(230.1mm) Wheel width 2.83"(71.88mm) Wheel color Grey,black,red,blue,green,yellow etc Tread turf Hub length 2.25” offset Bearing size 1/2”,5/8”,3/4”PBB/CBB/MB Rim size 4 Item No. SF9RUC-W4M3A225OS34