Seller notes

DR. PULLEY 16x13 (5 GRAMS) ROUND ROLLER WEIGHTS FOR 50cc - 100cc 4-STROKE QMB139 ENGINES GEAR RATIO IS CHANGED BY THE UP-AND-DOWN ROLLING MOVEMENT OF THE ROLLER WEIGHTS IN THE RAMP OF THE MOVEABLE DRIVE PULLEY (MDF) NOW THE INNOVATIVE DR. PULLEY ROUND ROLLER WEIGHTS ROLL UP AND DOWN THE RAMP TO CHANGE THE GEAR RATIO. THIS UNIQUE ROLLING MOVEMENT PROVIDES EXCLUSIVE ADVANTAGES TO INCREASE CVT PERFORMANCE. WITH DR. PULLEY, NO ABNORMAL WEAR WILL OCCUR EVEN WHEN RUNNING IN HIGH GEAR. WE RECOMMEND STA...

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