Pay in 4 interest-free payments of $16.25 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Pay in 4 interest-free payments of $16.25 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Installation Note: Orientation is critical
Expanded Model Fitment Matrix
* FIRST 50 Rieju
* Patent pending
NCY Gear Set (16*42); 139QMB, CSC, Wolf, 50cc vee Installation Note: Orientation is criticalNCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kid is made specifically for big bored engines and increases your gear ratio by 24%. This will allow you to maximize your big bore kit by increased top speed and a more usable rev range. You won't see much if any improved performance if you install these on a stock top end.
US$ 12.95
US$ 25.99
US$ 47.99
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US$ 319.50