Standard rollers for variator with size 19x17mm.The weight of the variator plays a major role in tuning scooters.Base rule: The lighter your rollers, the more revolutions are needed to push the rollers to the end by centrifugal force.Heavier rollers need from less speed to start this process.
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Standard rollers for RMS variator with size 21x17mm.The weight of the variator plays a major role in tuning scooters.Base rule: The lighter your rollers, the more revolutions are needed to push the rollers to the end by centrifugal force.Heavier rollers need from less speed to start this proce..