How To Repair Bike Gear Shifter. You may also be in a scenario where up-shifting is perfect but when you try downshifting you are unable to achieve any success. If the bike is over-shifting you will need to tone it down by turning the barrel clockwise basically the opposite of what you did to fix the up shifting.
Shift the chain onto the smallest front or rear gears so there is a minimum of tension on the cable of the. Shift your front derailleur to the smallest ring and your rear to a cog near the middle of the cassette then slacken the front derailleur cable by winding the barrel adjuster fully clockwise. 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.
Position your bike on a bike stand.
Remove the grip that is on the same side of the handlebar as the shifter you are replacing. Ad Your Number One Online Store for Bike Parts and Accessories. Replace cables at the end of every season. The fix takes a mere seconds but unfortunately you need to access the interior to solve the problem making your cables collateral damage in the process.
