Flywheel, 3″ Diameter, 6 Heavyweight Straight Spokes

• Cast iron flywheel
• Highest quality made by Martin Model & Pattern
• Fully Annealed

The flywheel casting is oversize so you can finish it to the specified diameter.This flywheel has a rim width of 0.755″, a rim thickness of 0.271″, a hub diameter of 0.728″, and an overall hub length of 1.265″.