Image Item No. Description By  11209  Tire 21 x 9.9 Catalog: Parts: Wheel, Tire & Tread 1  50945  Tire 14mm D. x 6mm Solid Smooth Catalog: Parts: Wheel, Tire & Tread 1  30028  Tire 14mm D. x 9mm Smooth Small Wide Slick Catalog: Parts: Wheel, Tire & Tread 5  58090  Tire 30.4 x 14 Solid Catalog: Parts: Wheel, Tire & Tread 1