Mountain Bicycle with 24 Speed Shimano 51-8 Shifters. Hit the road with speed and style on this VirsilasTM Mountain Bike. This men\'s mountain bike has a full suspension that smooths out bumps and increases control gearing. It has 24 speeds to choose from, so you can master every slope, hill and climb. It also features a Shimano front and rear derailleurs for precise shifting of the gears. The three-piece crank offers a wide gear range while the disc brakes provide great braking power and control. The one piece magnesium wheels make it an ideal choice for biking on different kinds of terrain and roads.