Image Item No. Description  3137c02 (Inv)  Brick, Modified 2 x 2 with Red Wheels for Dually Tire Catalog: Parts: Wheel  3137c01 (Inv)  Brick, Modified 2 x 2 with Red Wheels for Single Tire Catalog: Parts: Wheel  4180c02 (Inv)  Brick, Modified 2 x 4 with Red Wheels FreeStyle and Red Pins (4180 / 4259 / 2344) Catalog: Parts: Wheel  4180c03 (Inv)  Brick, Modified 2 x 4 with White Wheels FreeStyle and White Pins (4180 / 4259 / 2344) Catalog: Parts: Wheel