Encoder wheel spokes are designed to use with the ActivityBot's included Encoder Kit
O-ring tire stays securely in place between the tabs on the wheel's edge
Wheel press-fits onto the splines of Parallax's original Continuous Rotation and High Speed Continuous Rotation Servos
ActivityBot Replacement Wheel & Tire. Originally custom-designed to work with the original ActivityBot Robot Kit's external encoders, this wheel is now also included in Boe-Bot Robot Kits, Robot Shield Kits for Arduino, and ActivityBot 360° robot kit.