While some riders prefer to keep their skis on the ground, extreme skiers opt for aggressive maneuvers and aerial tricks. To accommodate the myriad of riding disciplines, the ski is offered in a variety of sizes and shapes. While the twin tip and flat back skis may appear similar, they have a few differences that set them apart.
Function
One of the key differences between the twin tip and flat back ski is the intended use and riding terrain. While the twin tip model is designed for slope style skiers, the flat back ski has been tailored for recreational riders. The twin tip ski allows you to hit the various obstacles of the terrain park, including inclined ramps, metallic rails and fiberglass ledges. The flat back ski offers increased handling on the groomed slopes of a mountain resort.
Shape
The distinctive shape of the twin tip skis allows you to easily switch between a regular and backward riding stance. According to recreational outfitter REI, the twin tip ski is offered in two different shapes known as the true twin and the directional twin. While the true twin features an identical nose and tail, the directional twin features a nose that is slightly wider than the tail. Unlike the twin tip, the flat back features a flattened tail that does not allow you to ride in the fakie or backward stance.
Size
Compared to the compact dimensions of the twin tip ski, the flat back model features an extended blade. While the flat back ski offers increased speed capabilities, its elongated design makes it difficult to perform aerial tricks. Certain twin tip skis, often referred to as ski blades, can have a length as small as 3-feet. According to the Ski-O-Pedia sizing guide, twin tip skis designed for male riders generally have a blade that measures between 147 and 186 cm.
Flexibility
The flexibility is another key difference between the twin tip and flat back ski. Compared to the twin tip ski, the flat back model features a more rigid design. While riding at breakneck speeds, the stiff blade of the flat backs allows you to effectively transfer energy between the edges of the skis. The rigid construction also helps decrease the amount of ski vibrations. The pliable blade of the twin tip ski has been designed to absorb the landing impact of high-altitude tricks.
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