Image Item No. Description  42610  Wheel 11mm D. x 8mm with Center Groove Catalog: Parts: Wheel  44292  Wheel 30.4mm D. x 20mm with 3 Pin Holes Catalog: Parts: Wheel  41896  Wheel 43.2mm D. x 26mm Technic Racing Small, 3 Pin Holes Catalog: Parts: Wheel  2515  Wheel Hard Plastic Large (54mm D. x 30mm) Catalog: Parts: Wheel  bb0019  Wheel Spoked 2 x 2 with Stud Catalog: Parts: Wheel