Sheriff’s deputies are investigating the theft of two mountain bikes in Joshua Tree National Park Wednesday. According to a Sheriff’s report, the bikes’ owner had the bikes in the bed of a pick-up truck while he was hiking at the Boy Scout trailhead in the park. When he returned to his truck about 4:30, he discovered the two bikes were gone. One bike is described as a baby blue 2013 Pivot Mach 6. The second bike is a black 2017 Pique Advanced Zero with bright yellow handlebars. The two bikes are valued at $10,500. Anyone with information should call the Sheriff’s Department at 760-366-4175.