Dawnblade Zipline Spring Brake Kit System 5.9 Feet Zipline Parts for up to 3/8 Inch Cable

About Our Zipline Spring Brake System 1.When a 300 pounds person sliding down from cable with an angle of 5 °, the theoretically predicted length of the spring after deformation is about 2.95ft. 2.Correspondingly, we recommend that the user's best weight should not exceed 300 pounds. Additionally, the limit weight of the spring is about 400 pounds. 3.Because the mechanical property of piano wire is significantly better than stainless steel wire, so the material of our spring is piano wire. Compared with stainless steel, piano wire has the advantages of high strength, good elasticity, fatigue resistance, creep resistance and toughness. 4.The high-quality rubber plug we use is very durable, and with the help of gasket, Avoiding the risk of the rubber plug being damaged by the spring. Installation 1. Before installing the zip line system, the cable should be insterted into the spring. 2. Cross the cable from one end to another end. 3. Place the spring brake on the turnbuckle side and keep a safe distance from the end point. Note 1.Piano wire is a reinforced kind of high-carbon steel, still need to be stored in a dry space. 2.We have done electrophoresis anti-rust treatment to the spring, making its service life over 3 months under dry condition. 3.You could apply anti-rust oil to the spring surface to strengthen the anti-rust effect, just take you several minutes. 4.Try to avoid leaving the spring in a bending or compression state for a long time, because doing so will cause the spring to deform and weaken its elastic performance. 5.Other sellers have problem of exaggerated description of spring performance. In fact, stainless steel is only less likely to rust, but high-carbon steel's elastic property is much stronger than stainless steel.