Would modifying the ears on a knock block threadless headset hinder the performance of the knock block and bars ? just installed the stem and had to shave notches flat on the
Precision Headset Spacers for Trek Knock Block
FIFTY-FIFTY DownHill Mountain Road Bicycle Stem Direct Mount Stem,2 Pieces Design Super Light Wight MTB Bike Stem CNC Lock Stem - AliExpress
Scott Syncros Spacer Adapter – Mac Ride
Stems - B & L Bicycles near Paradise Creek on the Palouse in Pullman. We love riding the Rolling Hills of the Palouse.
Precision Headset Spacers for Trek Knock Block
Shotgun Pro Adapter for Trek Knock Block Headsets - bike-components
Alternatives for trek Knock Block adapter - Pinkbike Forum
New Stem + Accessories Issue: Details in comments : r/MTB
Shotgun Pro Adapter for Trek Knock Block Headsets - bike-components
Shotgun Pro Adapter - Trek Knock Block – Kids Ride Shotgun USA