NCY Gear Set (18*46); 139QMB, CSC, Wolf, 50cc 27.5x2.40 5 mm kit-complete (2 pieces)

5 mm kit-complete (2 pieces)

Mechanic's Note: This rack is designed for soft luggage and passenger comfort

Fits most large frame model vintage Vespa scooters with manual transmissions

- Material: special aluminium alloy with high silicon content

NCY Gear Set (18*46); 139QMB, CSC, Wolf, 50cc 27.5x2.40 5 mm kit-complete (2 pieces)NCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kit is made specifically for larger big bored engines and increases your gear ratio by 26%. 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. For experienced tuners only.