1 X gloriously yellow wheel!
Center hole: 5.3MM x 3.66MM
The wheel is yellow, and the tire is Black. It can be mounted on either the Yellow Gearmotor or the Black Gearmotor with no issues.
These wheels perform really well indoors, and do fairly well in outdoor situations as well (Not exactly all terrain however since the rubber has little give).
6 in stock (can be backordered)