Bikes: Spot the Difference

If you want extreme, there is nothing better on a bike trip and impossible to think. Wind ruffled hair, city lights flash by, and in the veins raging blood. But before you sit down on the bike, let's look at it closer. Before you two identical at first glance, the bike. You also have to find those items that they do not coincide. It's a tough job, you have to be extremely careful.