If you're not getting any pain (other than mild tenderness now and again) I'd just continue with that gear, but try to work on pedalling efficiency/pacing until race #1 arrives. Then experiment (a series of TTs on the same course is good for this, as even with fluctuations in weather from week to week, you can get an idea of how you respond to different approaches), e.g.
If you're not getting any pain (other than mild tenderness now and again) I'd just continue with that gear, but try to work on pedalling efficiency/pacing until race #1 arrives. Then experiment (a series of TTs on the same course is good for this, as even with fluctuations in weather from week to week, you can get an idea of how you respond to different approaches), e.g.