Rock Shox Sid Sl Ultimate Fork With Brain 29 Wheel Boost 110mm 44mm Offset. Brand new take off, of 2021 sworks epic XL so you can cut the fork to whatever you like. The item "Rock Shox Sid Sl Ultimate Fork With Brain 29 Wheel Boost 110mm 44mm Offset 2021" is in sale since Wednesday, July 8, 2020. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "grantgonefishing18" and is located in Boca Raton, Florida.This item can be shipped to United States.