The Smoothest Stride You’ll Find in a Seated Elliptical Featuring our largest flywheel yet, Cubii Go offers the smoothest stride of all models! This whisper-quiet ZeroGravitii Flywheel™ is perfect for use at home while you’re watching your favorite movie, as well as in the office while on the phone with a client. Seated in an office chair? Cubii Go includes a built-in wheel stopper to prevent your chair from rolling while you pedal.