Wunderlich Marathon Ergo screen was the tallest that I found when researching (as in confirmed height and width in product description). I fitted mine last weekend and it is decent improvement over the stock screen. Did over 300 miles on Monday so it was a proper test run. Mainly boring motorway and duel carriageway. When raised all the way up I could still comfortable see over the top but much reduced turbulence and wind noise. Decent price too.
For reference: I'm 6ft 5in
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