Description
When doing a big bore kit, you need gears. Without them you are never going to take advantage of the extra power. Choose whichever set fits your needs. I suggest going for taller gears, if you do a lot of flat top speed riding, and shorter ones if you like acceleration, and stop/go.
Replacement gaskets HERE!
15×42, 16×42, 16×36 is best for 72cc builds, 9.2:1
17×41 is best for smaller cc stroker bikes, 8.2:1
18×41 is best for large cc stroker bikes, 7.9:1
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