Racing is your way of life. We get that. The SID Ultimate is packed with all the characteristics that elite XC racers demand - gram savings, DebonAir air spring technology, the Charger 2 RLC Damper and race-proven Maxima Plush fluid. A complete race day performance driven package. The new Signature SID Blue color option offers up another benefit that's even harder to pin down - style.

Get an amazing bundling price by buying a Revel frame at the same time - check the range here.

  • New Maxima Plush damping fluid reduces friction and silences damper noise
  • New SID Blue Signature color option
  • New foil graphics
  • Charger 2 RLC damper featuring 2-positions (open/lock) with compression adjust
  • Highly tunable DebonAir spring offers a consistent feel throughout the travel


Wheel size 27.5", 29"
Travel (mm) 100mm, 120mm
Spring DebonAir
Fork offset 42mm (27.5"), 42mm (29"), 51mm (29")
Maximum Rotor Size 220mm
Upper tube type 32mm straight wall aluminum
Max Tire Width (mm) 81
Minimum Rotor Size 160mm
Damper Type Charger 2 RLC
Color (FS) Gloss Black, Gloss Blue
Weight (g) 1582
Weight Based On 27.5" BOOST, 100mm, Maxle Stealth


SKU PSI-RX004020548002
Brand RockShox
Type Forks

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