This is the 8 in. SmoothGrip wheel. In 2010, the Gray 80A Durometer version was provided in the FRC Kit of Parts under the name "FIRST Wheel". No bearings are included.
New for 2021, you can now select a Blue 50A Durometer for maximum traction, or a Black 60A Durometer option.
Usage With Axle and Hub:
Usage With Sprockets and Bearings:
am-0420 8in Rubber Treaded Wheel.STEP
am-0420 8in Smooth Grip Wheel.PDF