I have been using the PIAA super sporza wipers on the trep since 2004. They are just the sporza wipers with a little wing added on. They were totally awesome. I never really needed to use the wipers unless it really got raining hard. That's because they rub the silicone into the pores of the glass or whatnot. 2 or so years after that they were still working great, but I was going to Carlisle and decided to put new ones on. I have had those on the trep since(4 years or so). The silicone beading action has gone away, but the wipers still do a bang up job of clearing the rain off. The fingers are rusty now, so I am also currently looking at replacements.
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