Pay in 4 interest-free payments of $16.25 Learn more
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
and 139QMB and GY6 bikes with 12" rims
* FIRST 50 Rieju
Honda Metropolitan CHF50 (2002–2009 carbureted GET models only — does NOT fit 2013+ NCH50)
* Patent pending
Expanded Model Fitment Matrix
NCY Gear Set (16*42); 139QMB, CSC, Wolf, 50cc vee and 139QMB and GY6 bikesNCY 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.
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