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About this item
【Durable Material 】M1 pinion gear is made of durable metal construction for long-lasting performance.
【M1】the 13T 14T 15T 16T 17T is the number of teeth on the pinion gear,please make sure your spur gear and pinion gear have the same pitch, otherwise the teeth won't mesh.
【5mm Bore】The pinion gear shaft diameter or bore is 5mm, fit for 5mm Shaft Size Motors, please make sure your RC motor shaft have the same diameter.
【Gear Combo Set With Screws】Each pinion gear with one screws,the pinion gear combo set also included a screwdriver,easy to install.
