KINEKT LR Lightweight Suspension Seatpost, for Road & Gravel bikes

Kinekt LR Active Suspension Seatpost 27.2 mm x 350 mm long. 35mm travel. Aluminum construction and spring specifications for riders from 80-180lbs (36-82kg). I do not have original box or extra springs.From Cirrus Cycles:It’s easy to tune a Kinekt Seatpost to your weight and riding style. The seat post comes with 2 installed springs (1 upper, 1 lower) They’re easy to swap. Use the chart match spring combinations to your preferred ride. Try multiple combinations to get it just right. There’s also an adjuster on the seat post for fine tuning. Kinekt suspension seatposts smooth out the ride, no matter what type of bike you choose, or what type of terrain you are on, increasing in-the-saddle comfort and reducing back, leg, and hip fatigue, ensuring that you get the most enjoyment out of every pedal stroke, on every ride. All Kinekt suspension seatposts are easy to install and adjust, and come with a range of springs so you can custom-tune the ride feel to match your weight and preferences. Our seatposts also feature a spring preload adjuster knob so that you can further refine the performance of your Kinekt suspension seatpost on the fly, a Kinekt exclusive.