Maximum support. Minimal weight. All-day comfort. The Kinekt XR Carbon Suspension Seatpost is the ultimate choice for riders between 80-320 lbs (36-145 kg) who want the strength and performance of the XR line-now in a lightweight carbon fiber build. Perfect for e-bike riders, cargo bike commuters, and heavier riders tackling demanding terrain, the XR Carbon delivers outstanding shock absorption, vibration dampening, and fatigue reduction-without sacrificing weight savings. This premium seatpost features reinforced spring specifications for higher loads and includes a 60mm nylon head Control Knob (pre-installed) that allows quick, on-the-fly adjustment to dial in your ride feel. It also includes a protective wrap and multiple interchangeable springs, so you can fine-tune your suspension based on your exact weight, riding conditions, and preference. The XR Carbon offers the perfect blend of high-load capacity and high-performance design for serious riders who demand more from their gear-especially on electric and cargo bikes where extra support matters most. Seatpost Diameter: 27.2 mm (fixed size)Seatpost Weight: 330mm - 571g 380mm - 587gIdeal for: Riders between 80-320 lbs (36-145 kg), including e-bike and cargo bike users seeking lightweight suspension performanceMaterial: Carbon fiber post with 60mm nylon head Control KnobIncludes: Wrap, pre-installed Control Knob, and additional springs for customization