Primary Drive Parts
A collection page of GritShift
category
Products
50
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Published
2024/08/07
About
Primary drive conversion kits, sprockets, and chain upgrades for the platforms we carry, including the Heavy Hitter 420 and 520 conversion kits. A primary drive conversion is one of the best durability upgrades you can make to a belt-driven e-moto, and these are the kits we run ourselves.