Trek Knock Block 72-Degree Headset Non-Block Frame Chip Frame Chip Black Lightweight Its Hard Chrome plated inner

Its Hard Chrome plated inner and outer plates ensure faster

Its lightweight aluminum construction and 28 spokes ensure both durability and a manageable weight

Stylish Options: Available in Blue Sage

Armor Trek Procaliber Downtube 2021

the SRAM Eagle 70 Transmission Crankset delivers the reliability and efficiency you need to conquer any ride

Trek Knock Block 72-Degree Headset Non-Block Frame Chip Frame Chip Black Lightweight Its Hard Chrome plated innerHeadset Part Trek Knock Block 72 Degree Blank Chip Genuine Replacement Parts Service and replacement parts specifically for Trek Knock Block technology. This frame chip replaces the normal Knock Block chip and allows for full 360 degree rotation of the steer tube on 72 degree radius frames. Ensure handlebar controls will not contact the top tube before riding. Key Features Trek proprietary headset components compatible with Trek Knock Block 72 degree