K'NEX Tyre Small
Weight (approx.) 3.85g
Available: Limit of 512
45mm (1 5/8 inch) diameter approx. Fits onto the 90978 Pulley Small to make a traditional tyred wheel.
Alternatively, can be fitted onto a 90908 K'NEX Connector 8-way White, to make a K'NEX-style wheel.