Noisy, rattling Ultegra ST-6870 shift buttons - Fix

A step by step guide how to take Ultegra ST-6870-R apart. The same process applies to the right shifter and Dura Ace ST-9070 shifters.
The issue was a rattling, humming noise whilst riding. Shifter was taken apart, problem fixed by cleaning and lubricating pivots, and stretching shift button springs.

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This video may be helpful if you want to replace shift buttons, or do some work on a lever following crash.

Video chapters:
0:00 Intro
0:47 Disassembly
5:58 Things can go wrong
6:35 Reassembly

www.bettershifting.com - Everything you want or need to know about Shimano Di2 components and much more.

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