How to Tune Your Rear Derailleur | Bike Tech Tips

Bad shifting can ruin a good ride, so one of the most important things you can learn how to do is diagnose and adjust your rear derailleur. Come along as Luke walks us through troubleshooting and adjusting mechanical and electronic systems from Shimano and SRAM.

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0:00 – Intro
0:38 – What is a Rear Derailleur and How Does it Work?
1:43 – 4 Main Rear Derailleur Adjustments
2:27 – Symptoms Your Derailleur Needs Adjustment
3:16 – Why Do Derailleurs Go Out of Adjustment?
5:17 – A Note About Modern Derailleurs
5:49 – A Note About Bent Derailleur Hangers
6:15 – Step By Step: Setting Up a Derailleur as New
6:40 – Step 1: Set Limit Screws
7:55 – Step 2: Adjust High Limit
8:33 – Step 3: Apply Cable Tension
9:12 – Step 4: Shifting & Barrel Adjustment
10:09 – Step 5: Adjust B-Tension
11:02 – Step 6: Adjust Low Limit
12:50 – Step 7: Test Shifting, Micro-Adjust Barrel
13:44 – Luke’s Pro Tips for Barrel Adjustment
14:25 – Step 8: Check Torque of Bolts
14:42 – Final Notes: Mechanical Derailleurs
15:08 – Electronic Drivetrains
16:09 – Shimano Di2 12 Speed Adjustment
18:32 – SRAM AXS
12:52 – Outro

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