[jcp123]

Originally Posted by aerohead

You need to be acquainted with the concept of polar moment of inertia.In order to determine if lighter wheels will pay you back in savings,you need to know how the mass of the lighter wheel is distributed dynamically,compared to the existing wheel/tire combination.
There may be a You-Tube video out there somewhere,which will show you how to analyze this.Without the procedure,you'll never know beforehand if the wheels are a good investment.They're not all created equal,and some alloy wheels offer no weight reduction at all.

If I ever get serious about it, I'll do that. For the moment the only reason would be if I moved to the snowbelt and wanted an extra set of wheels. Use the stockers for winter tires and an extra set with summer rubber.