Purpose and Specifications

LIQUI MOLY 21120 is a synthetic, metal-free wheel hub paste designed to prevent seized or frozen rims on wheel hubs. This premium-grade product stops rust and corrosion from locking wheels in place, which is especially critical for aluminum rims and brake system connection points.

Key Benefits:

• Prevents wheel rims from seizing to hubs during storage or harsh weather
• Stops rust and corrosion buildup at connection points
• Excellent adhesion—stays in place even at high wheel speeds without spinning off
• Eliminates squeaks and noise from wheel assemblies
• Works safely with road salt and splash water exposure
• Operating temperature range: –40°C to +200°C (short-term up to +250°C)
• Shelf life: 24 months in original sealed container

When to Use / Replace?

Apply this paste during wheel maintenance, tire changes, or brake service work. Use it on:

• Centering rings on aluminum rims
• Connection points between rims and wheel hubs
• Plug connections in brake systems
• Any areas prone to rust or corrosion

Application: Clean surfaces with a wire brush or emery cloth, then use Rapid Cleaner to remove dirt and oxidation. Once dry, apply a thin coat of paste. Important: Do not apply to brake pad friction surfaces or brake disks.

Replacement: Reapply during each tire rotation or annual maintenance, or whenever you notice rust forming at wheel connection points.

Frequently Asked Questions

Q: Will this paste damage my brake system?
A: No, when applied correctly. Simply avoid the friction surfaces of brake pads and disks. The paste is designed for hub connection points and centering rings only.

Q: How long does one 10g tube last?
A: One tube covers all four wheels for a typical application. You'll need to reapply during seasonal maintenance or tire changes.

Q: Can I use this on steel rims?
A: Yes. This paste works on both aluminum and steel rims to prevent rust and seizing at the hub connection.