Dr. Pulley 15x12 Sliding Roller Weights:1PE40QMB Minarelli variator Clutch drive gear on a

Clutch drive gear on a Primavera 125

Use only high-quality graphite or molybdenum disulfide (moly) grease during assembly

Naked 50 CPI / Keeway Hussar

Push your top speed and acceleration to the limit with the Dr

Ease of Use: Easier to deploy and retract than the stock center stand — ideal for quick stops

Dr. Pulley 15x12 Sliding Roller Weights:1PE40QMB Minarelli variator Clutch drive gear on aNext Gen CVT Tuning: Dr. Pulley 15x12mm Sliding Weights Standard roller weights rely on a rolling motion that eventually creates "flat spots," leading to sluggish acceleration and reduced top speeds. Dr. Pulley Sliding Weights utilize a patented wedge shaped design that slides up and down the variator ramps. This unique movement allows the weights to travel further than traditional rollers, effectively broadening your gear ratio for a "best of both