Meus Racing Steel Low Range Transmission Gear Set Upgrade Parts for TRX-4M TRX4M Bronco Defender 1/18 RC Crawler Car (13.17:1)

1.Made of high quality steel, increases wear resistance and extends service life. 2. Precision CNC machined steel structure, stable and durable; 3. Perfect match with the original gearbox, easy to install. 4. 5 reduction ratios to choose from: 2 stock reduction ratios: 9.69:1 (overdrive 71%), 40.3:1 (underdrive 59%), 2 new reduction ratios: 13.17:1 (overdrive 26%), 25.87:1 (underdrive 36%). 5.Motor gear: 11T. 6. Package contents: 4x gears, 3x bearings, 6, 2.5, 6x bearings, 2x 3x16 pins. 7. Suitable for 1/18 RC crawler car TRX-4M RC crawler.