From here, last two comments, it seems it is almost hookless - there is a very tiny hook if you can call that a hook
https://novemberbicycles.com/blogs/b...ents-144439365AARON DECEMBER 31, 2019
Do the rim brake version also have the aggressive tyre retention system shown above in the photos?
DAVE DECEMBER 31, 2019
Aaron – They do, yes.
