How To Fix Bike Gears Not Shifting. Getting the right angle when fixing your bike gear is incredibly important. What causes a car not to shift gears.

There is an easy fix to this as you spray some brake cleaner or lubricating liquid into the affected area and work the pull back and forth to get it loose. The next step is to locate your bike derailleurs accurately. Let the cable adjuster tight if the chain is not shifting up.
Half a turn will do.
How to Fix Bike Gears That Wont Shift Step by Step Step 1. Wind in the high limit H stop screw. Let the cable adjuster tight if the chain is not shifting up. Be gentle in this step because sudden movements.

