Image Item No. Description  51661  Wheel 72 x 34 RC Inner Tire Support Ring Catalog: Parts: Wheel, Accessory  47353  Wheel 72 x 34 RC Inside Catalog: Parts: Wheel, Accessory  47353  Wheel 72 x 34 RC Inside Catalog: Parts: Wheel, Accessory  47349  Wheel 72 x 34 RC Outside Catalog: Parts: Wheel, Accessory  47349  Wheel 72 x 34 RC Outside Catalog: Parts: Wheel, Accessory