Universal Parts 10" Rear Wheel for Retro 50cc Scooters - Black Koso you have a DC system

you have a DC system and this is the correct part

(2006-2009) Vespa GTS/GTV/Super/Sei Giorni/Super Sport 300cc

while a reinforced inner brace prevents arm flex under high-RPM loads

Gain an extra 4cm

and Buddy Riot SE

Universal Parts 10" Rear Wheel for Retro 50cc Scooters - Black Koso you have a DC systemUniversal Parts 2. 15x10" Rear Aluminum Wheel in Solid Satin Black Finish for Retro Style 50cc Scooters. For Rear Drum Brakes. These wheels fit any retro style short case 50cc scooter that uses 110mm rear drum brake shoes. Drum Brake (110. 5mm Inner Diameter) Satin Black Finish Size: 2. 15x10 Number of Splines: 19 Hub Depth: 41mm Inner Diameter (splines peak to peak): 18mm QMB139 50cc 49cc , Various unlisted makes models, ZNEN