Please refrain from purchasing if you are concerned about used items. Both twist and aero modes are usable. Operation has been confirmed. Mode switching function (twist/aero) Continuous use Approximately 60 minutes Quiet SP-200 You can change the area you want to focus on training by switching between twist mode and aero mode. [Color] Navy [Size] (approx.) Width 51 x Depth 32 x Height 29cm [Weight] 9kg [Weight capacity] 100kg [Material] Steel, ABS [Continuous use time] 60 minutes [Load adjustment] None [Accessories] None