Flywheel, 4″ Diameter, 5 Straight Spokes, Bronze

• Bronze 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 1.022″, a rim thickness of 0.310″, a hub diameter of 0.626″, and an overall hub length of 1.079″.