BOAT-RACING-TYPE BICYCLE

摘要

FIELD: machine building, mechanics. ^ SUBSTANCE: invention relates to crank drive with sliding saddle. Bicycle frame incorporates guide accommodating saddle slide to move there along 20 cm- to 50 cm-long cranks are arranged in parallel and directed in one direction. Pedals are furnished with feet fasteners. ^ EFFECT: training whatever muscles. ^ 5 dwg