Had a punchy session this afternoon whilst fairly tired, two yellow stars. Had a fake-through that probably could have been a BT if I was motivated. Does this suggest that I should be moving the F/F slider, or just that BT efforts are still possible with yellow stars?
For reference, it was a push-over nearBT, just a random sprint after 5 mins of over-threshold
A BT is possible at any time regardless of calculated form.
For best results you’d want to be fresh for a fitness test but you could be in the middle of any hard effort indoors or outdoors and decide to go for it.
OTOH a random sprint that triggers a BT is a candidate for flagging if I didn’t ride to failure. 
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