How to fix dead Ultegra 6870 GS rear derailleur

Описание: A step by step guide how to take Shimano Ultegra RD-R8050-SS apart, diagnose faults, and reassembly it.
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Ultegra RD R8050 SS video:    • Shimano Ultegra RD R8050 SS Disassembly, D...  

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Video chapters
0:00 Intro
0:28 BetterShifting.com
0:48 Servo removal
3:41 Servo internals & assessment
5:38 Gearbox disassembly
7:42 Motor bracket reassembly
8:32 O-ring service
9:23 Gear box reassembly
14:20 Gear position reset
15:22 Sealing back servo casing
15:55 Derailleur reassembly
17:07 Adjustments & cam disc installation
21:50 Outro

Disclaimer
The information contained within this video is for general information purposes only.
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