This is a USED Rock Shox dropper seat post. This listing is for parts, or the item will need a full rebuild. This seat post is 31.6 mm in diameter, 380 mm in length, 125 mm travel, with 0 set back. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Seatposts". The seller is "geargoatx" and is located in this country: US.This item can be shipped to United States.