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About this item
【Durable】Durable metal construction for long-lasting performance.
【More Funny】Provide the option of being able to change your gear ratio for different track conditions.
【💡】48P is the pitch of each tooth on the pinion gear and the 19T 20T 21T 22T 23T is the number of teeth on the pinion gear. You have to make sure your spur gear and pinion gear have the same pitch, or the teeth won't mesh.
【3.175mm】The pinion gear shaft diameter or bore is 3.175mm, make sure your RC motor shaft have the same diameter.
【Gear Combo Set】Comes with set screws for each pinion gear, the pinion gear combo set also included a screwdriver, easy to install.
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