- Cast 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.
Photo shows the flywheel partly machined.This flywheel has a rim width of 0.779″, a rim thickness of 0.285″, a hub diameter of 0.715″, and an overall hub length of 1.212″.







