Trek Knock Block Headset Spacers 5mm x 1 1/8" 3 Pack - Black

Fine-tune your cockpit setup with the Trek Knock Block Headset Spacers (5mm x 1 1/8"). Designed specifically for Trek’s Knock Block system, these precision-engineered spacers ensure a perfect fit and clean integration.

Features:

• Genuine Trek Knock Block headset spacers
• 5mm thickness, 1 1/8” steerer tube compatibility
• 3-pack for easy customization and adjustment
• Lightweight, durable construction with matte black finish
• Maintains clean alignment and steering precision