Quote:
Originally Posted by sdhotwn
My short point is - yep, less rotating mass, but choosing lighter tires by a few lbs would make an even bigger difference (for example the Michelin Cup 2's are actually 2-4 lbs lighter than RE71R's at the same size).
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Spot on. An 18" wheel with a dedicated track tyre saves a ton of weight. Years ago I ran 1" smaller with Hoosiers on an e36. What a difference. People forget about tyre weight all the time.