Introducing our Zenllihome Rear Shock Replacement, engineered to restore optimal suspension performance for your heavy-duty bicycle. Measuring 30mm in diameter and featuring a 350-650 lbs rate (at 350 lbs, the shock offers 150-165mm of travel), this component is designed to enhance the comfort and control of your ride. Constructed with SWI200 steel for durability and a robust build, the rear shock can withstand the rigors of off-road adventures while conforming to various wheel sizes and axle spacing. Ideal for components, this shock is versatile and adaptable to various bicycles, making it an excellent choice for upgrading your ride.