That wheel is the Rodipet 27cm wheel
https://www.rodipet.co.uk/exercise-w...ise-wheel.html
I've also had the Trixie 28cm wheel in the same position
https://www.amazon.co.uk/Trixie-6101...4270468&sr=8-1
The Rodipet wheel is much smoother, and quieter, but a lot more expensive. The Trixie wheel is reasonably quiet, and easier to clean.