Feature

●Made of quality metal,durable for use.
●Fit for The 139QMB 49CC 50cc Chinese Scooter.
●And fit for ATV Engines with Standard or Big Bore Kit.
●Gear ratio is a 15T/52T.
●Average Top Speed Gain on Flat Ground is 7 to 10 mph.


Description

Condition: 100% new
Color: Gray
Material: Metal
Diameter: approx. 6.7 cm(2.6 inch)
Item included: 1 x Drive Gear
Compatible With: fit for The 139QMB 4 Stroke 49cc 50cc Chinese Scooter&ATV Engines with Standard or Big Bore Kit

This Is Aftermarket Replacement Item But Not Genuine

Note:

1) All dimensions are measured by hand, there may be small deviations.

2) Color may vary slightly due to the color setting of each individual monitor.

Feature:

1) According to the original factory specifications.

2) Perfect match for the original one.

3) Easy installation.

4) Stable characteristics, high reliability.

5) Gear ratio is a 15T/52T.

6) Average Top Speed Gain on Flat Ground is 7 to 10 mph (Depends on other Modifications on your Bike).