This black polyurethane scooter/skate wheel measures 70 mm in diameter and 25 mm in width and works with standard 608 bearings as well as the Aluminum Scooter Wheel Adapters, which allow these wheels to be used with an assortment of motors.
These scooter wheels (also called inline skate wheels) are designed to work with standard 608 bearings and are compatible with the Aluminum Scooter Wheel Adapters. The adapters make it easy to connect these wheels directly to an assortment of motors for use in robot drive systems.
The tire portion of the wheel is made from polyurethane, which offers plenty of traction, and the rim of the wheel that contacts the ground is narrow to allow it to easily turn in place. These make great wheels for medium-sized robots.