One thing missing here is the fact that with the proliferation of composite know how, there are more people around able to safely repair a wider range of issues. Rather than pretending we are recycling carbon bikes I’d love to see more frames designed in ways that facilitate repair. Repair is verifiable in a way that recycling is not, it is cost effective for everyone concerned, and it is as close as you’ll get to good for the environment. It probably flows on to other design decisions to ensure repair is viable (like bearing placement, etc etc), but designing bikes...