Rated 4 out of 5 stars.
Calling all Honda TRX 400EX riders!
If you're looking to replace that worn-out rear sprocket, this 39-tooth steel sprocket from Primary Drive is exactly what you need.
Made from hardened high-grade steel, it's built tough to match or even beat OEM specs.
Designed specifically for the TRX 400EX models from 1999 through 2008, it fits like a glove and delivers smooth, reliable performance.
The lightening holes don't just look cool — they also shave off some weight.
Perfect for trail riding, dunes, or just keeping your ATV in top shape.
Durable, precision-made, and ready to roll.
Whether you're upgrading or doing maintenance, this sprocket keeps you moving without breaking the bank.
Ride on!
