How To Adjust Gears On Bike. The rear gears are in line with the axle of the rear wheel and are called the cassette collectively and cogs individually. Gears are the fundamental instrument of the modern bikesCorrectly adjusting bike gears is very significance regarding maintenance procedures.
Adjust the cable tension. If the chain sits to the left of the cog loosen the high limit screw until it is in-line. Use one shifter at a time.
The cog or cogs attached to the cranks.
Shift the chain between the front chainrings for big changes then use the rear cogs to fine-tune your gear setting. A bike with 30 or more gears is not an indication of a machine designed to break the land speed record any more than a bike with only a single gear assuming similar ratios. Then click through your gear selection to the top gear. As you do that make sure you hear the chain catching on the lower end.
