This frame was a designed by Vanzen of Michigan. This particular bike will be used as a cafe bike and occasionally take a spin on the track. In addition to the frame mods FC fabricated the aluminum sub-frame and designed a special lap\splice joint for a removable chassis tube for ease of motor installation. This bike was fitted with an Evan Wilcox alloy fuel tank, Air-tech glass and Ohlins TTX series rear suspension. Check out www.rockerboxer.com for this projects updates.