How to adjust a Mechanical disc brake - 6 step process that works perfectly every time!

This is the procedure I follow to adjust mechanical disc brakes. Work on road & mountain bikes, as well as hybrid etc.
When you follow it correctly, you will know how to adjust mechanical disc brakes perfectly every time.
Works for shimano, avid, sram, tektro, promax, Hayes, bb5, deore, XT, XTR, SLX