Thought my rear derailleur was shot, turned out the hanger was bent 4mm and a $12 tool fixed a week of ghost shifting

Troy Morgan · 2026-10-21T19:50:02.205169+00:00

Kept getting ghost shifts under load on my own cross bike, 11 speed, and I was ready to buy a new derailleur. A guy at the shop in Boise put an alignment gauge on it and the hanger was out 4mm. Bent it back, shifting is clean now. What other cheap fixes am I missing before I throw money at parts?

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Thought my rear derailleur was shot, turned out the hanger was bent 4mm and a $12 tool fixed a week of ghost shifting | Bicycle Mechanics - The Community Guide