MEUS Racing Gear Hardened and Reinforced 2M Master Gear for Traxxas X-Maxx E-REVO 2.0 RC Car. Key Features: 1. Compatibility: The steel spur gear is compatible with the E-REVO 2.0 RC car, ensuring a smooth and accurate fit. The RC gear set will prolong the lifespan of your RC car. 2. Hardened Steel: The RC upgrade parts are made of hardened steel #45, not easy to damage, is stronger, more stable, highly resistant to wear and tear, and has long-lasting durability. 3. Performance: Good machining makes it smoother, less noisy, and rolls more smoothly than other spur gears. The gear set has been reinforced and strengthened, providing superior durability. 4. Craftsmanship: The spur gear and motor pinion gear have high accuracy and small errors. Your RC car can deliver enhanced speed, significantly improving its performance and giving you better control. 5. Easy to Install: The RC car gear set makes it easy to install and replace. Even beginners can quickly get the hang of it, making your RC car maintenance uncomplicated and easy. Specifications: Item Type: RC Car Gear Material: Steel Spur Gear: 23T Application: for E-Revo 2.0, X-Maxx Package List: 1 × 2M 23T Master Gear 1 × 17T gear