Joined: Aug 2009
Posts: 6,767
Likes: 5,405
From: Minneapolis
Bikes: 2022 Salsa Beargrease Carbon Deore 11, 2020 Salsa Warbird GRX 600, 2020 Canyon Ultimate CF SLX disc 9.0 Di2, 2020 Catrike Eola, 2016 Masi cxgr, 2011, Felt F3 Ltd, 2010 Trek 2.1, 2009 KHS Flite 220
Conti GP4000s are sometimes said to have sidewall strength issues - do some searching and you'll find stuff about it. But I think you just had the bad luck to meet a large nail that would take out any tire.