Local bike setup workspace
Build a private setup passport for every bike
Capture repeatable coordinates and exact component references, compare dated passport states, turn frozen plans into a mechanic hand-off and return for the measured re-check after riding. No account and no fit verdict.

Private on this device
Bike profiles, linked fit names and history events stay in this browser's IndexedDB. Nothing in this workspace is uploaded or tracked. Export a JSON copy before clearing browser data; delete profiles here or use Settings & privacy.