A crossbow string is one of the most essential parts of the crossbow, as it is what propels the bolt. String comes in a wide variety of shapes and sizes because the string can greatly change the crossbow’s firing power and performance. In other words, without string, a crossbow is as useful as a huge paperweight. On the other hand, we have the crossbow cables, which are used to reinforce the crossbow and adjust its firing power for compound crossbows.

Essentially, a good-quality string, (and the limbs) help determines the FPS (Feet per second) a crossbow launches a bolt. The type of material used to make the string depends on the strings longevity, friction with the flight rail and how the string holds onto the crossbow.

Types of Materials:

• Polyester Fiber
• Synthetic Fiber
• Natural Fiber

The material used attributes greatly to a crossbow’s performance. The basic points of emphasis when choosing the perfect string are as follows: the breaking strength, weight, and stretch capability. It is important that the string is light as its only purpose is to translate as much energy from the bow to the bolt as possible. However, if the string is too light it may break too easily or cause it to stretch, which is when reinforced looping comes in. The best strings to use for crossbows are those that are light and durable and are usually made of high-quality linen or top-notch synthetic fibers.