Fork mounted ones are fine up to 130mph. Above that I couldn't say. On my private test track, of course. I don't like the downtube strap ones, particularly with lightweight carbon frames or anything with a non-factory paint job.
@Brommers started
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Fork mounted ones are fine up to 130mph. Above that I couldn't say. On my private test track, of course. I don't like the downtube strap ones, particularly with lightweight carbon frames or anything with a non-factory paint job.