Powerful, Determined, Adventurous: Go Far with the Invacare Comet Alpine. If you’re keen to explore the great outdoors and cross terrains that are too challenging for other scooters, then the Invacare Comet Alpine offers the ideal solution. Part of the Invacare Comet family, the Comet Alpine ensures a safe and powerful drive wherever you go. The robust power unit and 4-point independent suspension system ensures a continuous comfortable ride even on bumpy ground. The Comet Alpine includes a variety of safety features such as speed reduction when turning, brake light when stopping and a 2-step disengaging lever to prevent the scooter from freewheeling. The Comet Alpine has passed thorough tests in the German independent TÜV test laboratory and complies with the Medical Device Standards for Europe.