1、Applicable: The surface of the gear is treated to prevent rust, it is an ideal replacement for old or damaged originals, suitable for ARRMA 1/7 1/8 series RC cars. 2、Steel: Made of premium steel material, which this RC car gear has strong wear resistance, corrosion resistance, good performance and long service life. 3、Powerful: A more efficient drivetrain provides a smoother ride with smoother and more powerful mid drive gear transmission. 4、Accurately Machined: The 35T gear is accurately machined, and the good processing makes the gear roll smoothly. It comes with fixing screw holes, which is easy to install and easy to operate. The package is equipped with machine screws. 5、Improving Car Performance: The spool gear provides improved gear mesh with good spare parts, the gears provide overdrive for the axles to make your RC car perform better. Item Type: RC Spool Gear Material: Steel Gross Weight: 32g/1.1oz Colour: Black Number of Teeth: 35T Gear Diameter: 37mm/1.5in Gear width: 11mm/0.43in Metric Spacing: M1.0 Gear Bore: 8mm/0.31in Applicable: For Arrma 1/7 1/8 series RC cars Suitable: For 8mm diameter shaft 1 x 35T RC Spool Gear 1 x Screw Shaft 2 x Machine Screw