2021 Trek Slash is a completely different beast - BikeRadar
Trek Knock Block doesn't work - Pinkbike Forum
Anyone give me any ideas how to sit this headset??? I tried to fit a knock block adapter so I could use a shorter stem and I've had a nightmare, I managed
Knock Block Headset Alternative (Easy & Simple)
Trek Knock Block Removal: A How To Video. - YouTube
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