<ul><li>APPLICATION. Attach wheels and gears to motor shafts wiith these hubs.</li><li>QUANTITIES. This kit includes 2 heavy-duty aluminum hubs and 2 set screws.</li><li>MATERIAL. This is made of 7005 aluminum. Purchase this kit for spare parts or replacement parts to outfit your robot.</li><li>SPECS. Each motor hub weighs 6.3 grams. The inside diameter is 6 mm and outside diameter is 22 mm. The hub is 9.5 mm thick.</li><li>NOTE: This pack includes a 10-32 set screw.</li></ul><br><br>Attach wheels and gears to motor shafts with these hubs. Each hub comes with a screw and is made of heavy-duty aluminum.

Pitsco Education TETRIX MAX Motor Hub, Attach Wheels and Gears to Motor Shafts, Spare Parts for Robotics and Vehicles, Heavy-Duty Aluminum, Metal Motor Hub, Package of 2 with Set Screw