How to Remove and Replace a Derailleur Hanger

The derailleur hanger is what connects your rear derailleur to your bike frame. Over time or via impacts, hangers can become bent and broken. Luckily, many derailleur hangers are replaceable! This video will guide you through the process of selecting and installing a derailleur hanger for your bike. Find your Derailleur Hanger Here: Questions or comments? Leave them below! See all of our videos on Derailleurs and Hangers in our Derailleurs & Shifting playlist: Video Contents: 00:00 Video Start 01:10 Preliminary Information 01:50 Hanger Selection 03:12 Hanger Installation Find a text-based version of this procedure here: ➤ Tools & materials used: • AWS-1 3-Way Hex Wrench - • TW-1.2 Beam-Type Torque Wrench - • DAG-3 Derailleur Hanger Alignment Gauge ➤ Subscribe: ➤ Like: ➤ Follow: ➤ Fix It: Did you know that Park Tool is the #1 resource for bicycle repair education? • Visit our YouTube Channel: • Visit the Repair Help section of : • Check out The Big Blue Book of Bicycle Repair: ➤ About Park Tool: Since our founding in 1963, Park Tool has been the leading name in bicycle tools. Our YouTube channel is an extension of our mission to be the ultimate resource for mechanics and riders of all skill levels. Here you will find comprehensive repair help tutorials for a wide range of components and processes, as well as troubleshooting guides, tips and tricks, and information on the latest Park Tool products.