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Product Overview:
This is a 2010 FIRST Wheel, provided in the FRC Kit of Parts. No bearings are included.
Specifications:
- Diameter: 8 inches
- Body Material: black polycarbonate
- Tread Material: 65A durometer urethane rubber
- Weight: 0.62 pound
- Bore: 0.95 inch diameter through hole, with two 1.125 inch diameter bearing pockets
- Bolt Pattern: six holes (0.17 inch diameter) on a 1.875 inch diameter bolt circle.
- Coefficient of friction: 1.0 static (on tight pile carpet)
Usage:
Use #10-24x3/4 thread forming screws to attach sprockets or hubs to this wheel. Three (3) screws are sufficient for each wheel.
With Axle and Hub:
- If you wish to drive this wheel with an Axle and Hub, you can pick your hub by fitting any of the AndyMark hubs (except the Small DD Globe Hub) to this wheel. Hubs are NOT included in the price of the wheel. If this is your choice, then no bearing is needed. To install a hub onto a 6" FIRST Wheel, use #10-24x3/4 thread forming screws.
With Sprocket:
With Bearings:
- To press bearings into this wheel (for a free spinning wheel or for use with a sprocket), two ball bearings need to be pressed into the wheel (one on each side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0029. For a 3/8" id, use am-0209.
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Nice wheel 
Review 
Shipped promptly 
