SW-MOTECH Mirror Extenders For Honda If you’re tired of seeing your own shoulders in your rear-view mirrors, then these are for you! This pair of mirror extenders screws into the original mirror mount on your motorcycle’s fairing, providing a spacer between the base of the rear-view mirror and the motorcycle’s fairing. The height of the part itself is 40 mm. The actual displacement will vary depending on the angle that the extenders are mounted onto the bike. Included: Mirror Extension Set. (Pair) Mounting material. Mounting instructions.