Product Name: PU Filled Rubber Solid Wheelchair Wheel Model NO.: SF9RGC-W4A3S225OS34 Specifications: 280/250-4 Color: Grey Hub Material: Aluminum Alloy Wheel Size: 9" Certification: ISO Trademark: carefree Transport Package: Wooden Boxes, Cartons or Plastic Bags Origin: Jiaxing Zhejiang Product Description Delicate 2.80/2.50-4 PU Filled Rubber Solid Wheelbarrow Tire1) Color and tread variation for your choice.2) Much lighter than traditional rubber inflate tyres.3) Enviroment-friendly products.4) Eliminate costly repair or better replacement of tries and tubes.5) Eliminate all downtime related to flat tires and don't afraid to be puncturedWe can manufacture the PU foamed and PU filled tires, our tires are mainly used on the wheelchair, hand truck, wheelbarrow, lawn mower and other mobility equipments. The tires are also called Carefree tires, Flat free tires, air free tires, never flat tires and puncture proof tires.Tread DesignribbedWheel Width2.81"(71.37mm)Outer Diam.8.95"(227.33mm)ColorgreyTypePU filled rubberLoad Rating300 lbsWheel2 pcs aluminum alloyHub2.25"Bearing5/8"Item No.SF9RGC-W4A3S225OS34