Before we bond the frame, we stop. Because bonding carbon to aluminum is irreversible — and long-term durability doesn’t show up on day one. In this episode we’re setting up a test matrix before committing: • DP490 vs HT180 • raw vs sanded carbon • ISO vs acetone • isolation layers • 65 °C temper • thermal expansion & galvanic corrosion • and why we don’t use round tubes No results yet. Destructive testing comes next. 🎥 Full episode on YouTube 🔗 Link in bio 💬 Geometry feedback welcome — surve

Ryan Jenks on Instagram: "It hurts us a little to break cool old gear like these original Chouinard Camalots. Bobby actually has a collection of these. A viewer sent us these well-loved cams to break test because he was concerned about the cracks in the axle housing. Apparently, this was a common issue on these cams and the design was changed when Chouinard became Black Diamond. According to some forum posts I found, BD did some destructive testing on cracked models back in the day. They didn’t