Product Description

Dr. Pulley 16x13 Sliding Roller Weights for 50cc 4-stroke QMB139 engines. Please select weight from drop-down menu. Traditionally, 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 Sliding Roller Weights slide up-and-down the ramp to change the gear ratio. This unique sliding movement (not rolling) provides exclusive advantages to increase CVT performance. With Dr. Pulley, no abnormal wear will occur even when running in high gear. Please see our Warranty & Returns Policy. . Specs:

Size: 16x13
Set of 6
Choose From 3 Gram through 11 Gram Weights, Including 1/2 Gram Increments
Broadens your range of gear ratios
Increases acceleration and re-acceleration properties
Increases top end speed
Lasts longer than standard roller weights
U.S. Patent Number: 7,276,004

Feature

Dr. Pulley 16x13 Sliding Roller Weights for 50cc 4-stroke QMB139 engines. Please select weight from drop-down menu. Traditionally, 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 Sliding Roller Weights slide up-and-down the ramp to change the gear ratio. This unique sliding movement (not rolling) provides exclusive advantages to
increase CVT performance. With Dr. Pulley, no abnormal wear will occur even when running in high gear. Please see our Warranty & Returns Policy.
Brand : Dr. Pulley
MPN(PartNumber) : 169-217-5.5g-8390
EAN : 0718046961246

Attention for order international goods All items are delivered from oversea(USA,KOREA,JAPAN,Malaysia)Directly Delivery would be done local shipping company in country of Production Place and Qxpress or POST in singapore Total shipping takes 7~14 working days The item from the third country could take 2 week more than normal delivery in transit No exchange or Return is Allowed because of simple mind change
Such Return or exchange is absolutely allowed for the reason below
Major defect is discovered
Wrong item is Delivered
If you want to retunr or exchage at you cost, kindly Contact us via email
Please check when you return the item just for changing your mind, you could be charge return cost
(orginal + return shipping , duty, and etc)
You should let us know within 7 days from the date you received the item if you'd like to get a refund for the item

About Votage of electronics
The voltage of most electronics goods listed on our shop is 110V
Need transfomer to use US electronics
We cannot accept return for dameged electronic item because of not using transfomer