There’s something lacking in contemporary superbike design. Aside from the odd alluring exception, most modern superbikes look sterile?even if they are lightning fast.
Walt Siegl’s made-to-order, Ducati-powered SBK series is the antidote. Each SBK combines modern performance with timeless styling, sprinkled with cherry-picked parts and a healthy dollop of unobtanium. This is the fourth one that Walt’s built, commissioned by an existing client who already owns one of his Leggero builds.

?I built this SBK the way I would have built it for myself,? Walt tells us. ?That?s exactly what the owner asked me to do: build the bike I would want to own.?
Each Walt Siegl Motorcycles SBK uses the same basic ingredients: an aircraft-grade chromoly frame, carbon fiber bodywork, and a special engine built by the Ducati specialist Bruce Meyers Performance. But Walt is relentless in his pursuit of perfection?so SBK #4 has evolved since the first build.
Walt took the brief on this bike quite literally, by using a motor that Bruce had built for a personal SBK project that never happened. ?I love Ducati?s long stroke motors,? he says, ?but instead of a big monster Corsa engine, I wanted an engine that?s as spritely and responsive as possible, matching the lightness and agility of my SBK chassis.?
?The idea behind the SBK was to build a machine as agile as possible, that steers significantly better than anything you can buy off the showroom floor. Such a bike allows its ow...