🏆【Work Smoothly】Good machining made less rough and less noise than other pinions that make them roll smoothly.
🏆【Steel Gear】Suit for 2WD Spur Gear Made of heavy-duty hardened steel, 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 choice in gear ratio.