Excellent post andy, that explains another aspect of the problem very well (the bit we as bikers don’t see). Of course a plus of using carbon in say bike frames is you get near net shapes, so no welding or fasteners required. But the factories make rolls of CF, not bike shapes, so as you say a lot must be wasted during that process.
If they reprocess as you say, and as Specialized say, then it’s still not truly ‘recyling’ – it’s ‘downcycling’ as what you end up with is inferior compared to what you started with. It postpones it going into landfill, but it doesn’t stop it.
To me as a biker & designer I’m really interested in how much use people get out of parts before they chuck them: my gut feeling is the speed of that is increasing. More companies using it, more products, with a faster turnaround of new designs coming to market.
You could argue that airplanes are a more wasteful use of carbon fibre…you could argue that mountain bike are a more frivolous use of carbon fibre. You can bet though that airlines will get 20-30+ years out of their planes, could the same be said for our current bikes & bits?
Until it’s easier to repair, maybe we should only buy CF parts for well proven, long lasting designs. If not you maybe should buy a part in something recyclable like alu or steel.