RockShox SID 100mm 29 w/ Brain Fade Solo Air Boost 42mm Offset. The item "RockShox SID 100mm 29 with Brain Fade Solo Air Boost 42mm Offset" is in sale since Tuesday, September 11, 2018. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "probablyjustbikestuff" and is located in Bend, Oregon. This item can be shipped to United States.