Walter Roehrich is a roadracing enthusiast from Gurnee, Illinois, who dreamed to build his ultimate street bike. It needed to be light weight, powerful and above all handle like a current GP bike. The desire to take on this challenging project grew from Walter Roehrich's love and passion for sportbikes and a desire to express his ideas and build a unique bike that was not available from current manufacturers. That uniqueness including using an American Harley-Davidson supplied power plant.
The final finished result shown here, the Roehr 1250SC Turbo, is now in limited production for customer ordering. The bike is certainly beautiful, and is equipped with the best components like a high-ed MV Agusta or Ducati 1098R Superbike and priced accordingly at $49,999.The Roehr 1250sc features a unique Bi-Metal beam frame. The frame is constructed of 4130 Chrome-Moly steel and 6061 T6 Aluminum. This method allows each material to be used in areas of the frame that their material characteristics are best suited.
A motorcycle frame needs to be strong, stiff and light weight, but also needs to flex just enough under certain conditions. This controlled flex provides essential information, providing the rider with added confidence near the limits of tire grip. Additionally, this flex also adds a level of dampening which is especially beneficial when the motorcycle is leaned over on the edges of the tires. Under these conditions the motorcycle's suspension effectiveness is dramatically reduced due to road forces no longer acting on the suspension at parallel angles.
The Roehr 1250sc boasts high-spec running gear – Ohlins suspension, Marchesini alloy wheels, Brembo brakes with radial-mount calipers at the front, composite bodywork The single sided rear swingarm and rear wheel hub / brake / sprocket assembly was obviously sourced from a Ducati Superbike. Is the Roehr 1250SC a serious sport or racebike? Not really. It doesn't fit in any race class with its oversized engine and turbo charging. And it's some 50 pounds heavier than the competition, thanks to the cruiser based Harley V-Rod engine. The most disconcerting thing for us, though, is the shallow wet sump oil pan on the street touring bike engine that isn't designed to pick up splashed about oil under high G-loads from braking, acceleration, cornering, and least of all wheelies.
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