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"The frame that broke had been raced at Hardline and seen numerous practice runs put on it in the lead-up to the Crankworx DH finals, so it hadn't exactly had an easy start to its life."
https://www.pinkbike.com/news/why-did-bernard-kerrs-prototype-frame-break-at-crankworx-roturua.html
TotalShanner-
"we have identified that there was no failure of the carbon tubes and the epoxy used to bond the frame was still intact on the carbon tube side. Unfortunately, virtually no adhesive remained bonded to the aluminum. We use a treatment on all the aluminum parts to protect from galvanic corrosion between the carbon and the aluminum. We believe there was a failure of this treatment to properly etch/adhere to the aluminum."
hippy
It was a different frame to the one used at Hardline. His mechanic switched it the week of Crankworx. I watched him hit the road gap in Maydena for testing and the landing to flat bent his pedals. He still used that same frame at Hardline though.