Wheelchair caster wheels with ALUMINUM 3 Spoke RIM in SILVER and BLACK Color and with BLACK SOFT ROLL Tires. All wheels come with 5/16″ bearings. Sold as Pair. Available sizes: 3″, 4″ and 5″ & 6″Choose your size above. Measure the height and the width of your current wheels to match the sizes above Compatibility: Invacare, Quickie, Tilite (w/5/16″ bearings), Ki-Mobility and many others.Manufacturer: Riant Wheels PRICE IS FOR A SET OF 2 WHEELS California Proposition 65 Warning⚠ WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov