SOLID URETHANE TIRE, FLAT PROOF (LATEX FREE) 22 x 1 3/8" DARK GRAY, STREET TIRE. FITS MOST. 

PR1MO ORION URETHANE WHEELCHAIR TIRE - (Looks nearly Black) 

Size: 22 x 1 3/8 (37-5501)
Color: Black
Type:  Solid Urethane