Mountain Bike Gear Shifter Not Working

A damaged derailleur can cause a shifter not to work and must be replaced.

Mountain bike gear shifter not working. Link to another article here on diy mountain bike. Unless you ride a fixie bike or have no need to get out of 2nd gear the odds are you re probably going to need your shifters at some point. This applies to both mountain bike trigger shifters as well as road bike sti type shifters. I m going to start these instructions with the front derailleur.

If the shifters are not working properly it is possible for the derailleur to jam into the spokes and cause serious damage to the rider and the bike. Of your time on the bike whether you re a road rider mountain. Pull on the gear cable manually not with the shifter. Isn t working properly and your bike has suffered a knock.

I take apart a trigger shifter and show the most common reason why old shifters won t shift. Since the shifters get used so often and have so many components directly connected to them there are times when they have a tendency to go bad. Where the shifter just isn t catching. I fix the.

In this case it s a road bike sti brifter but it also works for mountain bike trigger shifters as well. Next gently move each derailleur by hand to check the bolts that attach it to the mountain bike frame. Adjusting the front derailleur shifter on a mongoose mountain bike.