How To Adjust Gear On Bike. Start with the chain in the smallest cog. Adjusting the front derailleur Step 1.

Turn the top adjustment screw clockwise. If there is interference between the chain and the front derailleur outer plate at the largest chainring. The cog or cogs attached to the cranks.
This is the shifter cable.
Shift the bike into the highest gear the smallest cog on the rear gears and ensure that the derailleur cage is in line with the cog. How do you adjust Revoshift gears. To shift gears all you have to do is to twist with your thumb and forefinger. The right shifter controls the rear derailleur and the left controls the front derailleur.

