26″ Mongoose Dolomite Men’s 7-speed All-Terrain Fat Tire Mountain Bike for $199.00 shipped. Here is a screenshot for your reference. The Mongoose Dolomite 26″ Men’s Bike provides off-road capabilities and everyday riding. The 26″ by 4″ knobby tires give riders improved stability on different types of terrain. Most places have it for about $304.