Reply to "Larger diameter wheels. Upgrading wheels and tires. Resizing wheels and tires. Modernizing wheels and tires. Campy clones, etc."

Norm, IMO ... those tires won't work well together at all. If you're going to mix tires, front and rear, you should choose tires that at least have the same traction and rubber characteristics. Pay attention to the UTQG ratings. They are just a guide and not 100% accurate but at least they give you an idea what the tire is all about, as far as rubber compound is concerned. The Michelin Pilot Sport PS2 is a great tire with a UTQG rating of 220 AA A. You should try to find a front tire with the same UTQG, or as close as possible. The Michelin Pilot Sport A/S 3+ has a treadwear rating more than double that of the PS2 (500). A UTQG of 200 AA A or 240 AA A should be OK too. A 200 A A, 220 A A or 240 A A would also be OK. For the sake of aesthetics, try to find a front tire with a similar tread pattern.
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