150cc Performance Prima Roller Weight Tuning Kit (18x14, 6g to 17g) - GoPowerSports.com
Amazon.com: Trkimal High Performance Racing Variator Kit with 13 gram Copper Roller Weights for Chinese Scooter Moped ATV Go Kart Taotao GY6 125cc 150cc 152QMI 157QMJ (GY6-125/150CC) : Automotive
Amazon.com: Glixal ATKS-042 GY6 125cc 150cc High Performance Racing Variator Kit with 13g Roller Weights for Chinese 4-Stroke 152QMI 157QMJ Scooter Moped ATV Engine Front Clutch : Automotive
Wholesale High Performance CVT Clutch DLH ClVariator Kit with Roller Weights Drive Pulley for GY6 125cc 150cc 157QMJ Scooter Moped From m.alibaba.com