10-3/4" x 8" Bogey Wheel10 3 4" x 8" Bogey Wheel Bogey wheels are made from schedule 40 pipe with strong steel tubing welded to 1 4" thick end plates. The carbon steel axle is drilled, cross drilled, and includes a recessed zerk fitting. Tread & Core: Schedule 40 Pipe Axle: 1 1 2" Diameter x 10 1 2" L Carbon Steel w Recessed Zerk Fitting Color: Black Silver Schedule 40 Pipe Wheel Diameter 10 3 4" Tread Width 8" Tread Type Schedule 4 Pipe Core Type Schedule 4 Pipe Axle Bore