Per this Peloton page:
System Compatibility & Digital market: US, UK, & CA:
Compatible with Roku Stick, Roku TV HD, & Roku 4k (gen. 3 and up).
Roku menu path Settings/System/About will show you your Roku model and model number.
This Wikimedia chart will show you the generation of your Roku model number.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X