KQI 300X front fork&rear wheel assemble

KQI 300X frame&stem assemble

KQI 300X stem&front fork disassemble

KQI 300X rear wheel&front fork disassemble

KQI 300X handlebar disassemble

KQI 300X brake system disassemble

KQI 300X battery&pedal disassemble

KQI 200F stem&battery&controller assemble

KQI 200F pedal&fender&other parts assemble

KQI 200F handlebar assemble

KQI 200F rear fender&stem disassemble

KQI 200F front fork&wheel assemble