Since OP more or less closed the topic there is a related question about the failure mode that you'd probably know about HillRider. Or FBinNY or others still reading. Conventional wisdom is that carbon fiber forks can fail without warning, and some are skeptical about the usual recommendation of tapping the material with a metal object listening for variations. So what ARE the signs of impending failure, even if you couldn't detect them riding? With the cheap hobbyist electronics these days, accelerometers, strain sensors etc, I suspect you could put together a testing circuit for what a decent fork costs. IF you were confident about what to look for. More flex? Changes in vibrations? Any idea?