"KANDOSKI folding bike" is a new design folding bike of Taiwan. Guan guan innovative folding bike R&D work shop produced .Use of a shaft & seat post & quick release screw. She can easy & quick folding the bicycle. Handlebar & bundle with use of convex & quick release screw. She can achieve quick disassembly & the right position or turn the handlebar. Patent design suitable for 26"MTB, 700C , single speed, small wheels bike. Material suitable Hi-ten steel, Cr-Mo steel, Aluminum alloy, Carbon, Titanium. Manufacturing method suitable ARC welding, MIG, TIG, CNC, Casting, Brazing . Chainring suitable single speed, internal gear, 6,7,18,21,24,27,30 speed. Taiwan patent No: M399082. Welcome the interested friend to contact with me. Discuss about the patent sale, authorized, co-production, sales agent.