The activity of cycling is becoming ever popular as more and more people look to improve their fitness and reduce the chances of health risks. However, for the newcomer, selecting the right bike to suit their needs can be a daunting task. It may even be that some don't know the differences between mountain bikes and road bikes. This article outlines the four key contrasting areas between the two styles of bike and highlights the benefits. Bike shapeThe frame of road bikes tends to position the rider so that they are in close proximity to the frame. This position helps the rider generate more power in their legs and also provides a more streamlined figure; which makes sense considering road bikes are designed with speed in mind. Mountain bikes are designed with manoeuvrability being the main focus, which enables riders to negotiate tricky obstacles. Therefore they have wide handlebars that allow the rider greater control, as opposed to a road bikes dropped handlebars. This also encourages the rider to sit in a more upright position, which helps them better survey the track ahead of them and pick their route. Weight of frameIn order to make road bikes as fast as possible, manufacturers will make them from the lightest materials they can. Whilst they have to maintain a certain amount of strength, they won't usually be subjected to large levels of stress. Mountain bikes on the other hand will usually be used in extreme environments, meaning that they require stronger and thus heavier frames. Tyre widthThe amount of tyre surface touching the ground affects both the level of traction and friction. So mountain bike tyres tend to be chunky, providing the rider with the grip they require, whereas road bike tyres are thin, to reduce friction and increase speed. Although it is possible to buy road tyres for mountain bikes if you intend to use them on the road for a long period. SuspensionSuspension in cycles is a relatively new invention, aimed at reducing the level of stress put on the rider's body. Obviously this can be a huge benefit for mountain bikers who will be riding over rough terrain. However, it is actually a disadvantage for road bikers as the bouncing motion, known as pedal bob, can reduce the power generated on flat roads. So whilst suspension is commonly used in mountain bikes, it is very rare to see a road bike that uses this innovation.