MARKER BRAKES ALPINIST LT + DEMO are the perfect ski brakes for alpine adventure. It is an essential accessory in terms of safety. It will allow you tostop your skis in the event of a fall and to avoid losing them. Mounted, these brakes are designed to lock automatically in run mode. They also allow for more comfort during transport and storage by holding both skis together. Offered here in a 90mm version , this model is suitable for skis up to 90mm at the base. TECHNICAL CHARACTERISTICS : Construction : 90mm width Alpinist Long Travel and Demo compatible