12mm Steering Knuckles for Go Karts & ATVs

Upgrade your front steering with this high-quality 12mm steering knuckle spindle, engineered for 50cc–125cc mini ATVs, go-karts, drift trikes, and similar vehicles. Precision-machined from durable steel, this spindle features a threaded 12mm shaft for smooth, responsive steering control, making it ideal for both recreational and off-road use.

Designed for left and right-hand positions, this 6-inch wheel-compatible knuckle ensures a secure fit for your 50cc, 70cc, 90cc, 110cc, or 125cc power equipment. Whether you're repairing a worn assembly or upgrading your ride, this replacement part delivers reliable performance and long-lasting durability for your kart, ATV, or mini bike projects.