the elite arion home trainer 2016 offers the user a lightness and optimal simplicity, also offers maximum functionality with excellent performance and reliability. rollers with parabolic shape to give you a free career, total safety and perfect balance. a platform integrated into the structure to raise and lower the bike without the need for support. arion may close with a simple movement. get ready for a workout of agility and balance. features: -lightweight (7kg) frame, ultra strong polyamide reinforced with fiberglass. -parabolic rollers with 85 mm in diameter in the center and 100 mm on the sides. -platform integrated into the structure. -perfectly smooth surface. -compatible with road and mtb bikes. -compact and foldable. -dimensions: 141 x 49.5 open x 16cm, closed 73 x 49.5 x 22 cm.