Mountain Bike Rear Derailleur Alignment

Remove the front derailleur and replace the chainrings with a single 1x specific ring and wide range cassette.

Mountain bike rear derailleur alignment. This repair is meant for steel frames with integrated hangers. Walmeck ag 2 0 mtb bike hanger alignment tool maintenance corrector mountain bicycle gauge tool rear derailleur hanger hook repairing tool. You just cut your drivetrain problems in half. 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.

For older bikes with front derailleur issues the solution is quite simple. A rear derailleur hanger is a scarificial bracket the connects the derailleur to the bike frame. I show how to fix a bent derailleur hanger without expensive tools like park tool s dag 2 derailleur hanger alignment gauge. We ll show you how to diagnose and repair your hanger using the park tool dag 2 2 derailleur hanger.

Follow the five steps below to learn how to adjust your rear derailleur and save the expense of a trip to the bike shop. A misaligned derailleur hanger is an often overlooked cause of poor shifting performance. It is important to make sure your rear wheel is true and properly mounted in the frame dropouts as the alignment tool compares the derailleur hanger to the rim surface. To check alignment with the largest cog rotate the pedal forward and push the rear derailleur so that the chain shifts to the largest cog.

The rear derailleur is the heart of most mountain bike drivetrains. You ll also need a 5mm hex key for the derailleur mounting bolt and a string or small strap to hold the derailleur out of the way while you align the hanger. The hanger makes it easy to repair and re align the derailleur without an impact destroying the derailleur system or bike frame. If the pulleys take the chain beyond the largest cog.

Video of how to set up your gears adjusting the rear derailler how to.