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Old 08-07-2019, 03:50 PM   #2 (permalink)
seifrob
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there is plenty of posts and threads discussing this either on wiki or in forum/aerodynamics. You will find them under the term "wheel skirts" or "fender skirts". It is US forum, after all.
My personal view is this: smooth hubcaps are less effective, but less intrusive and far less noticeable than fender covers. After many curious looks and few pull-ups by local police I dismantled them. In law-bound Europe it is not worth to use them. Otoh, smooth hubcaps are on the safe šře

Last edited by seifrob; 08-09-2019 at 01:55 PM.. Reason: deleted repeates and typos.
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