More people are exercising indoors these days. Thanks to the Tacx Antares Indoor Retractable Bicycle Rollers, you can get a fun ride on your favorite bike. It fits rides with 26″ to 29″ wheels. It has a footprint of 53 x 18.5″ but folds down to 31.5” x 18.5”.
Antares has conical rollers to keep your wheels centered. You will be able to try stand up riding too. More information is available here.