2020 RockShox Sid Ultimate 29 Boost 100mm - Brand New. Hub spacing is boost 110x15. Rake is 51mm (standard for a 100mm fork). The item "2020 RockShox Sid Ultimate 29 Boost 100mm Brand New 29er Specialized Moots" is in sale since Monday, April 27, 2020. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "gavin929" and is located in Birmingham, Alabama. This item can be shipped to United States.