Image Item No. Description  30027a  Wheel 8mm D. x 9mm for Slicks, Hole Round for Wheels Holder Pin Catalog: Parts: Wheel  6014u  Wheel 11mm D. x 12mm (Undetermined Type) Catalog: Parts: Wheel  32004a  Wheel 68.8 x 24 Model Team Type 1 (Circle Holes Around Wheel Ring) Catalog: Parts: Wheel  30190  Wheel Center Wide with Stub Axles (Tricycle) Catalog: Parts: Wheel