I've been looking into this issue. Laminar lips and clamp on/bolt on spoilers for the standard screen seem to be about half the price or a bit more than, say, a GIVI AF214. For all the clamp on extenders are, that seems a bit pricey. I actually like the standard screen as far as it looks but, in honesty, above 70mph it's useless, even above 60 it's not great for a tall bloke like me. I've looked at other screens and the GIVI seems the best value and most highly rated so I intend to fit one over the winter, before I start any semi-serious tours. Gerald, where are you in The Province? I'm in Sunny Bangor! Well, it was today anyway!! Not to many SWings in our parts.