Reserve from the case
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Versatile Mounting: Great for roll bags
see the compatibility table below to ensure this works with your bike
Stock crank case replacement
Comprehensive Model Fitment List
Includes extended throttle cable
NCY Gear Set (17*41); 139QMB, CSC, Wolf, 50cc polini performance variator kit Versatile Mounting: Great for rollNCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kit is made specifically for 88cc big bored engines and increases your gear ratio by 30%. This is the mother of all upgears for the 50cc 139QMB scoots. Only effective if you have a full blown 88cc kit with a big valve head, and stroker crank.
US$ 9249.00
US$ 7049.50
US$ 923.00
US$ 2782.50
US$ 7262.50
US$ 1720.00
US$ 1561.00
US$ 2125.00
US$ 1580.00
US$ 3995.00
US$ 2305.00
Pay in 4 interest-free payments of $16.25 Learn more