Fork 29 Rock Shox SID XX 15x110 Boost. Tapered steering tube 170mm anchor installed.The item "Fork 29 Rock Shox SID XX 15x110 Boost" is in sale since Friday, July 28, 2017. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "m_customs" and is located in Moscow. This item can be shipped worldwide.