how to set gears on a mountain bike
Shift the front gears to the smallest ring, and the back gears to the largest cog. Fully wind in the low adjust screw. You should complete this procedure with a slack gear cable, so you can be sure that cable tension isnât overriding your low limit setting.To do this, release the cable retention bolt on the derailleur.our rear high and low limits should now be set. Step 3. Adjust your jockey-wheel clearance by locating the screw on the top-rear of the derailleur. With the bike in the highest gear, the upper jockey wheel should run clear of the cassette.