Mountain bikes have evolved over the years from simple fat tire models to engineering paragons. Single suspension bikes are most common, less expensive, and work for most riding situations. Dual suspension mountain bikes add weight, cost, and complexity, but are great in extreme riding situations. Decide what type of biker you are to decide which suspension system is best for you.
Single Suspension Mountain Bike
These bike are also known as "hard tails." There is a single shock absorber mounted on the front fork of the bike. In a single suspension bike there is no damping of leg force transmitted to the gears, since the gears are matched to the rear tire. Most single suspension mountain bikes are also lighter in weight, and are available at many price points.
Dual Suspension Mountain Bike
Manufacturers add a rear shock absorption system to make a dual suspension mountain bike. The rear shock is located in different places between the rear wheel and frame, depending on the engineering objectives of the bike designer. It is best to go to a specialty bike shop to try dual suspension bikes, as they cost more, are heavier, and are more complex to maintain. The advice of the bike shop is invaluable in ensuring the right bike for the ride conditions and the biker's experience.
When to Use Single Suspension Bikes
Single suspension bikes are lighter, and because the rear wheel is connected to the gears, there is is no loss of efficiency when the legs transmit force to the gears. These bikes are great for hill climbing, as well as for fast riding. Moderate descents are fine with a single suspension. Fire roads and beach trails and boardwalks are great too.
When to Use Dual Suspension Bikes
Dual suspension bikes are ideal for hard riding such as steep downhills, crevices, boulders on the trail. Advanced mountain bikers will benefit from a dual suspension bike. Beginners need to learn how to ride better before tacking technical trails with a dual suspension bike. Always demo a bike to see if it the right fit for your experience, frame size. Wheel size also makes a difference. For example, a mountain bike with 29-inch wheel diameter can go faster because of increased gear ratios.
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