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interesting is that Atherton have a double metal wall in their joints
Yeah, I was reading up on single wall versus double wall lugs last night before I fell asleep.
Seems like a bit of an engineering oversight going with single wall lugs.
One would assume that Pivot had tested the bonded single wall lug to failure before letting anyone ride a frame, but maybe not.
From what I’ve read, the double lug method that Atherton use seems much less likely to fail in this way but I still don’t think I could trust a double lug bond either.I think the prototype Demo frame has been through two seasons of WC racing now, I’m wondering if it uses single or double wall lugs.
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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.
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TotalShanner
sensom
@Dammit
I’d guess it’s the same one from Hardline- that’s speculation, but given the pace that Pivot are handing out the prototype frames and what we could see in Kerrs’ LSD’s I don’t think he had a fresh frame to build up for Crankworx.
Also interesting is that Atherton have a double metal wall in their joints that sandwiches the carbon tube on either side- Kerrs’ frame appears to only bond to the external face of the tube.