The Kinekt XR Aluminum Suspension Seatpost is engineered to support riders weighing between 80-320 lbs (36-145 kg), making it the go-to choice for e-bike riders, cargo bike riders, and anyone looking for maximum support and comfort on variable terrain. With its robust aluminum construction and firmer spring setup, the XR keeps you planted and comfortable-absorbing bumps, chatter, and vibration so you can ride longer with less fatigue. Like all Kinekt seatposts, the XR is easy to install and features a quick and easy preload adjuster knob, so you can dial in your suspension feel mid-ride. It also comes with a range of interchangeable springs, allowing you to match your setup to your body weight, cargo load, and riding preferences. The XR is especially well-suited for e-bike riders, whose upright position and in-saddle style of riding benefit from this seatpost&&';;s increased support and stability. Ideal for: Riders between 80-320 lbs (36-145 kg), E-Bikes, cargo, commuters road, gravel, touring/bikepacking, and hybrid bikes.Material: Durable aluminumDiameter Options: Multiple diameters available (select your fit)Includes: Interchangeable springs for tuning comfort, Kinekt Active Suspension Product Guide.