I have the kom stand. It is good but the central leg limits how close it can get to the bars. Otherwise no complaints. Cup holders and grippy surface are positives.
I’ve seen this suggested and might get it in the future:
SIDUCAL Mobile Stand Up Desk, Adjustable Laptop Desk with Wheels Storage Desk Home Office Workstation, Rolling Table Laptop Cart for Standing or Sitting, Black https://a.co/fvR7Wmn