VARIATOR DRIVE FACE
Shaft =13mm Splines=26 Fits GY6-50 QMB139 49cc Scooter Motors

This is a ATV and scooter variator drive face found on QMB139 (GY6-50) 49cc engines.
E-Ton (Eton)# 813559 Direct Fit, )# 813573 Direct Fit
Tomos Nitro 50 # 22102-BE-A000



Common applications include:
E-Ton 50cc Sport (ESport) (Vin: TCA)