1、Applicable Models: The 86T spur gears with 19T 21T pinions gear set is designed for Traxxas Slash 2WD, for Rustler 2WD, for Stamped 2WD 1/10 RC cars. 2、86T Spur Gear: Precisely made steel 86T spur gear, durable and has reliable power handling capacity to withstand high forces, giving your RC car a better drive performance. 3、2 Pinion Gears: The speed depends on the transmission ratio. There are two pinion gears of 19T 21T, allowing you to have more choices in the gear box ratio. 4、Steel Material: This RC gear set is made of hardened metal steel material, with stable rolling, strong wear resistance and long service life. 5、Easy to Install: Accuracy processing makes the gear roll smoothly, with its own fixing screw holes, easy installation, simple operation, and machine screws are provided in the package. Item Type: RC Motor Gear Set Material: Steel Gross Weight: 56g / 2.0oz Spur Gear Teeth: 86T Pinion Gear Teeth: 19T, 21T Applicable Models: Suitable for Traxxas Slash 2WD, for Rustler 2WD, for Stamped 2WD 1/10 RC cars 1 x 86T Spur Gear 2 x Pinions Gear 3 x Machine Screw 3 x Screw