If you want to use a desk and bicycle here is one:
https://www.amazon.com/FlexiSpot-Workstation-Standing-Exercise-Adjustable/dp/B07H3SMRMT?tag=verywellfit-onsite-prod-20&ascsubtag=5195001%7Cn9a8e1429c8bf4bfc9625aa7bfacc627704%7CB07H3SMRMT%7C1721278785654%7C%7C&th=1