This clutch roller weight set used on GY6 50 49-90cc engines is for many scooters.
Tomos Nitro 50 # 22121-BE2-A000
Common applications include:
E-Ton 50cc Sport (ESport) (Vin: TCA)
TaoTao CY50D 50
TaoTao GT5-50
TaoTao Magic CY50A-T3
TaoTao Speed M50-1A
TaoTao ZUMMER 50