So, I have something weird: Since I uploaded a bike ride (2025-08-03) to Strava with no bike added, it looks like my default bike in Intervals.icu was added from that activity onwards.
This default bike in Intervals.icu is an older bike that I already had retired in Strava.
The gear in Intervals.icu is correctly synced from Strava on the Settings/Gear page. Also the kilometers/hours match the kilometers and hours in Strava.
But when I look through my activities, all my activities since that one day in August are assigned this retired bike (that I only today retired in Intervals.icu).
Is there any way to at least bulk edit all the activities in Intervals.icu, so they get the correct gear (as seen in Strava)?
If you need any more information, of course I am happy to provide!