Rockshox Sid Brain 90mm Fork 29er. Rockshox Sid BRAIN Specialized fork. Rebound and Brain settings appear to function as they should. Stantions are in great condition, lower legs have a few minimal scratches. Steerer tube is 6 3/4 inches. The item "Rockshox Sid Brain 90mm Fork 29er" is in sale since Sunday, October 17, 2021. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "budgetjose" and is located in Santa Rosa, California. This item can be shipped to United States.