【Work Smoothly】Good machining made less rough and less noise than other pinions that make them roll smoothly.
【Steel Gear】The 2WD Spur Gear is made of heavy-duty hardened steel with a long time life span (NOTE: Please use the provided screws to lock the gears to avoid damage to the gears.)
【Free Style】The speed depends on your gear ratio. We provide two different teeth pinion gears to make you more choices in gear ratio.