He's a famous debater.
It's an article written by Professor Kang Jun-man.
Kang Jun-man, "The History of Korean Bicycle Culture: The 'Automobile Republic' that Made Bicycles into 'Leisure'", [People and Thought] (2008.3), pages 161-201.
Regarding the topic of Korean bicycle culture,
The academic discussion hasn't developed much further from this point, but since the overall situation hasn't changed particularly, I recommend it.
If you read it, it covers from the point when bicycles arrived in Korea,
Those who know something about it will read it with understanding.
It's probably safe to say that the sources of knowledge about Korean bicycle culture that you've exchanged regarding bicycles in articles or everyday life likely originated from this paper.
Since it's quite well organized, those of you with DBpia subscriptions, please read it~