Fix Mountain Bike Gear Shifter

As the 1x drivetrain becomes standard issue on capable cross country trail and enduro bikes we re left with one shifter cable and derailleur to adjust for top to bottom gear range performance. One of the most important things to maintain on a mountain bike or any bike is the drivetrain. I am often asked how to fix a bike that won t shift gears or will only shift to some gears.

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I m going to start these instructions with the front derailleur.

Fix mountain bike gear shifter. I walk through the steps to isolate and locate. The bike i use for the demonstration is a trek madone equipped with a shimano ultegra derailleur. The 10 best mountain bike shifters with buying guide. Unless the shifter is clearly damaged the problem lies within the unit.

Go up every gear once and down every gear once. One of the biggest problems you ll encounter during a ride is a stuck shifter which could not only leave you in. Adjusting the front derailleur shifter on a mongoose mountain bike. 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.

Learn how to properly adjust the rear shifting on your bike for better performance. 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. All of these parts work together to form your bike s engine. Note places where the gears have trouble shifting where the chain slips off the gear or where you need to shift twice to make the bike shift.

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. This includes the shifters chain front and rear derailleur the cassette and crankset. With the bike held off the ground and the chain now on the largest cog at the back test the front derailleur by moving the chain between the smallest and next chainring using the gear lever. Link to another article here on diy mountain bike.

The shifter on your mountain bike has a lever or a control knob that operates the shift cable. Using one hand to lightly pedal the bike shift through 1 gear per click starting with every gear on the back derailleur. The rear derailleur is the heart of most mountain bike drivetrains. A bike shifter controls the gearing mechanism on your bike.

You need to understand what each part does how it works and how it can be replaced to keep your mtb in great condition. The problem will be the shifters derailleurs or cables. Understanding the components of your mountain bike is important. Loosen the circular adjuster where the cable enters the shifter by hand.