Traxxas TRX-4M High Speed Transmission Gear Set. This optional gearset provides increased top speeds ideal for getting somewhere in a hurry! Featuring an aggressive 9.7:1 reduction ratio this gives you maximum speed. Traxxas offers a variety of gearsets to suit your application that can be used to customize your vehicle to your preferences. Package includes all transmission gears and an 11t pinion.

Optional Gearsets:

• Lowest Speed:
• TRA9776R: 40.3:1 Reduction Ratio
• TRA9776: 16.6:1 Reduction Ratio
• TRA9776R: 9.7 Reduction Ratio
• Highest Speed:

NOTE: Not recommended for snow, mud, rock crawling, or other high-resistance surfaces.