About this item, we aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. See our disclaimer. Take on steep slopes and tough trails with glee on the excursion mountain bike from mongoose. Made for experienced mountain bikers and new riders alike, this hardtail mountain bike is built with a durable steel mountain frame and front suspension fork that are designed to take the abuse of bumps and dips found on dirt paths and trails.