3 ms·
If i had to point to a specific technical factor, it's pneumatic tires.
by hprotagonist 7y ago
If i had to point to a specific technical factor, it's pneumatic tires.
- asark 7y agoI've, in some past article linked on (I think) HN read the answer to this very question as advanced, efficient bearings (so, the ability to produce finely accurate small metal objects).
- weberc2 7y agoI recall hearing that it's tube steel. The previous iterations used solid steel (maybe cast iron?) and were super heavy.