Reason for lightening the flywheel: 2 Reasons, remove the amount of rotating mass and reduce the amount of aerodynamic
drag caused by the cooling fins. Both resulting in a higher top speed.
When lightening their flywheel for race purposes, most people grind the fins of the flywheel nearly down
to the base. This bike is an everyday cruiser so it was decided to lighten the flywheel slightly.
First I removed that little bugger out of the bike