Maintain Proper Headset Function and Integration

The Trek Knock Block Headset Lockring Spacer is a precision replacement component designed to maintain correct headset preload and compatibility with Trek’s Knock Block system. This spacer plays a key role in ensuring smooth steering while preserving the integrated frame protection that Knock Block provides.

Ideal for servicing or replacing worn or missing headset hardware, this lockring spacer helps keep your cockpit properly adjusted and functioning as intended. Built for seamless integration, it’s an essential part for maintaining performance and protecting your frame from over-rotation.

Key Features:

• Knock Block Compatible: Designed specifically for Trek Knock Block headset systems.
• Ensures Proper Preload: Helps maintain correct headset adjustment and smooth steering.
• Integrated Fit: Works seamlessly within the Knock Block assembly for optimal performance.
• Frame Protection Support: Maintains the function of the Knock Block system to prevent over-rotation damage.
• Durable Construction: Built to withstand regular riding and mechanical stress.
• Service Essential: Ideal for headset maintenance, replacements, or upgrades.