Question about a rear derailleur that finally shifted clean after I swapped the cable housing

Elizabeth Mason · 2026-09-25T18:00:04.165719+00:00

I chased a skipping issue on a customer's bike for two visits before I noticed the housing ferrule at the shifter was cracked and letting grit in. New housing and a $4 ferrule, and it shifted like new in ten minutes, so what's the weirdest small part that turned out to be the real fix for you?

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Question about a rear derailleur that finally shifted clean after I swapped the cable housing | Bicycle Mechanics - Thought Shares