The phrase "about the timeframes" is correct and usable in written English.
You can use it when discussing or inquiring about specific periods or durations related to a project, event, or process.
Example: "We need to have a meeting to talk about the timeframes for the upcoming project milestones."
Alternatives: "regarding the timelines" or "concerning the durations".
"We support the concept [of the medical research fund] and getting to $20bn but there's issues about the timeframe, and I think that's true of the government as well".
The call comes on the eve of the Australia Day weekend, when the prime minister is expected to kick off a national conversation about the desirability of recognising Indigenous people in the constitution, but remain non-specific about the timeframe for consideration.
Some experts are dubious about the timeframe, others about the revenue projections.
One of the thought-provoking aspects of a foresight study is the decision about the timeframe.
Concerns about the timeframe for the consultation were shared by the Labour group's education spokesman, Jeff Leaver.
The company's not really giving specifics about the timeframe here — that would ruin the element of surprise, I suppose.
It's tough to make predictions about the timeframe and magnitude of job elimination, especially when we consider the future of employment (to paraphrase a very wise man).
If you're stuck on the plans, you're plagued by the pathway, you're distracted about the timeframe or goal or signposts, it may simply be because you failed to get clear on your purpose.
You're often so relieved that the interview is coming to a close, that you neglect to ask about the timeframe for a decision and with whom you should follow up.
In a telephone briefing with new-media reporters just minutes after Obama formally announced that he would be sending an additional 30,000 troops to Afghanistan, three of his top aides provided a bit more detail about the timeframe for U.S. withdrawal from that country.
