Powered bicycle B-901, 1961
Made in Kharkiv (Ukrainian SSR, Soviet Union) in 1961.The rear part of the frame, made specifically for D4 engine, is lower in comparison to regular bike, and the top tube has characteristic bump. The 26" wheels are thicker than usual; bottom part of the front fork has suspension.
An interesting detail consists in the rear wheel brake operated from the handlebar.
Partially restored (including replacement of missing details) in 2007.