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Prima Variator Roller Weight Tuning Kit 16x13 (DIO, GET, QMB)
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
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Prima roller weight tuning kit: 18x14, 6g-17g
Variator, roller weights and contra spring mechanics for dummies! Learn how it works
Modern Vespa : Can anyone advise what size rollers for my LX
Lighter Rollers Explained | Blog | Pedparts UK
What is roller weight? Basic Concept - Dr.Pulley
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