Diamond B question.

[Chuck Sea/Tac]

Originally Posted by Jack Shaft

Big journal C crank helps too..

Down side is the rear flange the flywheel mounts to doesn’t have as much meat as the A crank. I suppose , because the flywheels were getting lighter as the roads got smoother. I was behind a friend when his flywheel flange sheared off. I don’t know if he was running a stock A flywheel, or a cut down.