Factory sealed air sprung hydraulic cartridge. Length is measured from saddle rails to the bottom of the actuator Brand: Kind Shock. We are cyclists, professionals, friends & family all with 1 common goal; growth of the sport through our love for cycling. With over 7500 feet of retail showroom we have what you need, & if not we have the expertise to help you find it. Whether you are a recreational rider, weekend warrior, or Professional rider we want to be YOUR Local Bicycle Shop.We strive to give great customer service & provide an excellent selection. We are here to assist you with all of your cycling needs. Give us a call to speak with our customer service staff. The packages are sent through UPS Ground to a sort facility in the USA. While most packages are delivered between 10-21 days there may be additional delays based on your country. These charges are the buyers responsibility. We are happy to work with you if you need additional time to pay. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Seatposts". The seller is "betterbikes" and is located in this country: US. This item can be shipped worldwide.