Push the envelope of lightness with the PM-39ST-5/16 Ultralight Right Front Stepped Hub, boasting 3/4" inner and 5/8" outer bearings for oval excellence.

• Exclusively for 5/16" hardware compatibility
• Includes standard studs and serrated nuts
• Stepped design for precise spindle mating
• Ultralight build to optimize kart dynamics

Focused on the right front, this hub reduces inertia for snappier steering corrections, especially beneficial in high-banked turns where weight matters. The bearing combo handles inner stresses while keeping outer rotation fluid, preventing power loss.

For teams, its included components simplify inventory management at the track, ensuring you're always prepared for tweaks. The ultralight nature amplifies engine output, turning more RPMs into forward thrust.

This hub empowers aggressive lines without penalty, a secret weapon for series contenders. SKU: PM-39ST-5/16.

Embrace the featherweight advantage – it's engineered to make your kart feel alive under throttle.

In testing, similar hubs have helped shave setup times, letting drivers concentrate on perfecting their craft.

Frequently Asked Questions

Q: What are the specific bearing sizes for this hub?

A: The PM-39ST-5/16 features a 3/4" inner bearing and a 5/8" outer bearing, specifically engineered for optimal performance in oval racing applications.

Q: Is this hub compatible with 1/4" wheel studs?

A: No, this specific model is designed exclusively for 5/16" hardware. Please ensure your wheel setup matches this hardware size before installation.

Q: Why is the stepped design important for my kart?

A: The stepped design ensures precise mating with your spindle, which helps maintain consistent alignment and reduces vibration, leading to more predictable steering corrections.

Q: Does this hub come with the necessary hardware?

A: Yes, this hub includes standard studs and serrated nuts, making it a complete, ready-to-install solution for your right front corner.

Q: How does an ultralight hub improve kart performance?

A: By reducing unsprung weight and rotational inertia, this hub allows for snappier steering response and helps the engine reach higher RPMs more efficiently, providing a competitive edge in high-banked turns.

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