RockShox SID Ultimate Race Day 120 29" 15TAx110 - 3P Crown - Gloss Black


Product ID: GM073123-21

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RockShox SID Ultimate Race Day 120 29" 15TAx110 - 3P Crown - Gloss Black


Climb mountains. Charge descents. SID Ultimate isn’t like other XC forks. It is lighter than ever with a formidable 35mm chassis that holds the line when you’re on the edge. The new Race Day 2 damper features a three-position (3P) compression adjuster—rigid Lock, plush Open, and efficient Pedal positions, all at your fingertips. SID adapts to everything from full-gas cross-country to sporty backcountry loops thanks to a new, higher-volume DebonAir+ spring that’s supple at the top of its travel with tons of tunability.


  • NEW 35mm chassis is the perfect blend of light weight and rigidity for the modern XC bike. Plus, we made it lighter…again.
  • NEW Charger Race Day 2 damper is the lightest damper on the market. This 3P damper features three compression positions: Open, Pedal, or a rock-solid Lock.
  • NEW DebonAir+ provides more small-bump sensitivity and tunable mid-stroke support.
  • NEW Bushing package maximizes bushing overlap for a smooth, solid ride.
  • NEW Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride.
  • NEW Crown machined to shave weight without compromising strength and stiffness.
  • NEW covetable “Blue Crush” signature colorway and Ultimate High Gloss Black, featuring the new lustrous Pearl White graphics package.
  • NEW Bolt-in torque cap adapters included for use with standard hub end-caps.


  • WHEEL SIZE 29"
  • TRAVEL (MM) 110mm, 120mm
  • STEERER 1.5" Tapered
  • AXLE 15x110mm BOOST™
  • SPRING DebonAir
  • FORK OFFSET 44mm (29")
  • UPPER TUBE TYPE 35mm tapered wall aluminum
  • E-BIKE APPROVED Not Approved
  • DAMPER TYPE Charger Race Day 2
  • VOLUME REDUCER 0/3 Tokens, 1/3 Tokens

Fork SID Ultimate Race Day - 3P Crown 29" Boost™15X110 120mm Blue Crush 44offset Tapered DebonAir (includes ZipTie Fender, Star nut, Maxle Stealth) D1.

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