The RockShox SID SL Ultimate BRAIN incorporates a race-tuned Brain Inertia Valve with Position-Sensitive technology into the all-new RockShox SID SL chassis. New Position-Sensitive tune provides an increase in platform support. New SID SL Ultimate chassis features increased stiffness, lighter weight, and reduced friction. Torque cap compatible for stiff dropout/hub interface.100mm travel, 44mm offset, 110mmx15mm hub spacing. The item "RockShox Specialized SID SL Ultimate BRAIN, Gloss Black / Polar Grey Foil, 100M" is in sale since Thursday, October 8, 2020. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "alexa_chi" and is located in Staten Island, New York. This item can be shipped to United States.