Whether you're a kilometer-muncher or a trackday lover, there's something to be said for swapping out the stock windshield of you motorcycle. A taller flip-up screen can add weather and wind protection to your shoulders for touring work, or a double-bubble race screen lets you tuck in a little bit more on the straight on the track.
It's best to stick with clear screens for better visibility, which is also easier for your eyes, although most people can't resist the mystery and panache of a smoked screen variant. When you're looking for an aftermarket motorcycle screen you should also ask some questions about its anti-scratch ability, some of the cheaper aftermarket screens scratch very easy... Be careful when refitting – our experience is that screen screws are easily damaged with the wrong screw-drive, and nothing looks more shoddy than marked screen screws.
Similarly, avoid using cheap replacement screws – keep with the stock parts or buy good quality stainless steel ones from your local DIY store. You should already know that colored screens belong in the category 'I regret buying that colored screen'.