The stanchions are perfect and it does not leak. The steerer tube is 5-3/4 long. It came off my wifes 2012 Specialized S-Works 29 Epic. You can get the details on the Specialized website in the archives. The item "Rockshox SID World Cup 29 withBrain inertia-valve, 100mm travel, 100mm QR" is in sale since Saturday, December 18, 2021.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "zenmasterrib" and is located in Bothell, Washington. This item can be shipped to United States.