neil at cornerspeed working on the desmodicici rr, the gold engine cases are magnesium, every fastener on the bike is titanium, the rear wheel is a 16" with specialy made bridgestone bt016 tyre, the front is a conventional 17", the black heat guard on the top of the seat unit where the exhaust exits is made from the same material as the tiles on the space shuttle, this bike really is exotica.