21T pinion Gear (32-P) Heavy Duty (Most Cars)

Traxxas 3951X

Traxxas pinion gears let you fine-tune the performance of your Traxxas model. Changing gear ratios can help balance acceleration and top speed for different running conditions. Please consult your owner’s manual for more information on recommended gearing options for your specific model.

Accessory part for these models:

• Rustler 4X4 VXL
• Rustler 4X4
• Slash 4X4 Ultimate
• Slash 4X4 VXL
• Stampede 4X4 Unassembled Kit
• Stampede 4X4 VXL
• Stampede 4X4
• TRX-4 1979 Chevrolet Blazer
• TRX-4 1979 Ford Bronco
• TRX-4 2021 Ford Bronco
• TRX-4 Equipped with Traxx
• TRX-4 Mercedes-Benz G 500 4X4
• TRX-4 Scale and Trail Crawler
• TRX-4 Sport Unassembled Kit
• TRX-4 Sport
• TRX-4 Unassembled Kit
• TRX-6 Mercedes-Benz G 63 AMG 6X6