

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NCY
NCY Compression Spring (Performance); 139QMB
Description
Compression springs do a couple of things. First they supply the pressure to engage the belt. They also determine the rate at which the CVT transmission changes from low to high gear. A 1000rpm spring will go into a higher gear than a 2000rpm spring.
This NCY compression spring is specifically for the GY6 50.
Measurements:
Wire Diameter: 4.0mm
Inner DIameter: 49.0mm
Length: 106.0mm