Trek Knock Block Removal: A How To Video. - YouTube
Retain Trek Knock Block Features with an Aftermarket Stem! Simple Fix! - YouTube
Buy Trek Headset Spares - Knock Block 62-Degree Headset Assembly with Display Chi - Black Crown Race ID=39.8 mm - 28.6 mm (1-1/8") - Stack Height=8.7 mm
Knock Block Alternative - Easily Avoid Fork-Frame Impacts - YouTube
Quick Ride Review: 2017 Trek Remedy 9.8
Trek Remedy 8 in review | ENDURO Mountainbike Magazine