How to adjust your rear derailleur
First your need to put your chain in to the small cog. Then loosen your cable to your derailleur. After that you start going through your cogs and see where it does not shift. Then you use your derailleur to shift while your pedaling. Then there are to screws the top one is the L one the bottom is the H one. Then when you adjust it to where is works the best. Then tighten the cables and on the pinch bolt and then adjust that to where it works the best. Then test drive the bike and see how it shifts
First your need to put your chain in to the small cog. Then loosen your cable to your derailleur. After that you start going through your cogs and see where it does not shift. Then you use your derailleur to shift while your pedaling. Then there are to screws the top one is the L one the bottom is the H one. Then when you adjust it to where is works the best. Then tighten the cables and on the pinch bolt and then adjust that to where it works the best. Then test drive the bike and see how it shifts