This is a brand new KOSO performance variator roller weights set
Fit models:
most GY6 110cc 125cc 150cc scooter variators
Most of the makes and models of Chinese scooters, like Taotao, Coolsport, SUNL, etc
Mopeds with 125cc-150cc 4 stroke GY6 QMJ/QMI157, QMJ/QMI152 engines
Some other makes/models with QMB139 50cc/49cc engines
Dimensions:
16 gram
18 x 14 mm
Note:
Heavier roller weights = A slower take off speed with more acceleration and a higher top speed
Lighter roller weights = A faster take off speed with less acceleration and lower top speed
Please check the picture before you buy.