Mountain Bike Derailleur Problems

You just cut your drivetrain problems in half.

Mountain bike derailleur problems. Remove the front derailleur and replace the chainrings with a single 1x specific ring and wide range cassette. The rdm310 model shimano altus mountain bike rear derailleur is a traditional top normal with a 43 teeth chain wrap capacity. The derailleur is moved by tightening or relaxing the cable tension. Shimano altus mountain bike rear derailleur.

The rear derailleur is the heart of most mountain bike drivetrains. Shimano mountain bike derailleur compatibility. From the full faced helmet downhill mountain biker to the lycra clad cross country rider. All 12 speed shimano mountain bike components are inter compatible you could for example use an slx m7120 derailleur with an xtr m9100 trigger.

Shifters can wear out too if you ride enough and most cannot be serviced back to health. And it usually starts at the rear derailleur. The one holding the derailleur on the bike. For older bikes with front derailleur issues the solution is quite simple.

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. While pedaling the bike locate the cable leading to your rear derailleur and pull on it gently. The derailleur has a pulley cage holding button that removes the chain tension from the chain and allows you to remove the rear wheel without fighting the derailleur. Almost everyone has a slight bit of anxiety when attempting to remove the rear wheel to change the rear wheel or a flat and this feature helps to take the rear derailleur complication out of the process.

I walk through the steps to isolate and locate. The highest gear smallest sprocket on the rear derailleur is actually the point of lowest cable tension meaning the derailleur is doing the least work and is thus easiest to adjust. Some problems can be repaired trailside while others require parts. That said derailleur springs will lose tension overtime and pivots will get sloppier.

The global mountain bike network is the best mtb youtube channel with videos for everyone who loves dirt. We will stick to problems that plague rear derailleurs as 1x setups are common on most modern mountain bikes.