Speedway is now stocking a large selection of Sander wheel repair parts. Replace only the damaged parts and save money compared to replacing the complete wheel. Sander Engineering, Inc. is the only racing wheel company to CNC cold spin all of the aluminum wheel halves. They are cold formed over a two-stage mandrel and heat treated twice to get a perfect part. Splined centers are cast from the higheset quality aircraft magnesium. Wheels are fully polished front and back for easy maintenance good looks and long life.