Reviews Description: The Mongoose Blackcomb mountain bike is as tough as they come. Head out and tackle the harshest terrains with fully loaded mountain bike. The Mongoose Blackcomb comes with a 4 bar vertical spring alloy dual suspension frame, and RST suspension fork. Also equipped with a 31.8-Millimeter rise handlebars with an ahead stem for the perfect riding position. The 24-speed shimano altus drive train and shimano EZ fire trigger shifters provide smooth easy shifting. This bike is equipped with promax front and rear disc brakes with integrated shimano levers.