If you want to roll with the big boys, you need some big boy wheels. The Diamondback Overdrive Expert 29" mountain bike will keep you rolling over even the toughest of terrain. It has all the features you need to tame the trail and roll over nearly anything in your path (within reason, of course). The 6061 T6 alloy frame is strong, stiff and lightweight, with a formed top tube for added durability. The SR Suntour XCT V-3 29er fork gives you 100mm of travel so the trails seem a little smoother. The Shimano Acera front and rear derailleurs and SL-M310 shifter deliver smooth, reliable shifting. Cap it all off with some powerful and smooth Hayes MX5 mechanical disc brakes, double wall rims and WTB Wolverine 29x2.2 tires and you've got yourself a pretty nice little package.