But most importantly, allow everyone, especially those with lower incomes, to access the best mode of transport going.

I’d suggest excluding carbon frames, which tend to be more sporty and are less environmentally friendly to manufacture. Maybe titanium, too.

Then limit the ratio of cost between frame and accessories to stop folks pimping a klunker with parts for their race bike.

Pure joy on the Bike Bus this morning!

You could stash spare ideas in a tree somewhere and retrieve them as creative winter approaches.