Similar concept, but the Feedback Omnium offers an extension that can be added to the main unit, to work with those longer bikes.
- https://www.feedbacksports.com/product/omnium-portable-trainer/
- https://www.feedbacksports.com/product/omnium-sled-extension/
- Per their reference sheet:
Minoura lists their version with a 1200mm max wheelbase.