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.
- 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
Some variations of this product featured on this page are not available for purchase and are installed on bicycles as original equipment only. See your dealer for details.
Bottomless Tokens allow you to easily custom tune your air-spring performance to best match your riding style and suspension preference. Adding the easy-to-install Bottomless Tokens changes the air-spring curve to resist bottom-out after a big hit, giving aggressive riders the power to attack the trail harder. Removing Bottomless Tokens makes the air-spring curve more linear, enhancing suspension feel for certain types of terrain or trail condition and ensuring riders who are less front-end aggressive benefit from 100% of their fork’s travel.
A lightweight, highly tune-able air spring designed to offer a coil-like consistent feel throughout the travel - effortlessly soaking up the smallest hits and tracking the slightest changes in the terrain.
Measurement gradients indicating the current sag and travel settings are conveniently located on the upper tubes so that you always know how much travel you are running. You won’t find this anywhere else but RockShox.
BOOST™ is the standard wheel and drivetrain specification that opens the opportunity for improved frame geometry with shorter chain stays, wider and stiffer suspension pivots, wider range of chainring options, as well as more clearance for bigger tires and wider, stiffer wheels.
Torque Caps make the bond between hub and fork dropout stronger, with an increased surface area connecting the two. This creates a stronger, stiffer interface, giving you a more responsive front wheel and more control. So you concentrate on the most important connection, the one between your bike and the trail.
Introducing Charger 2, the evolution of the acclaimed Charger™, bringing a whole new level of performance and refinement for cross country riders.
Maxima Plush Fluid
Developed with the world's fastest racers, on the world's toughest circuits. Maxima Plush Fluid is designed to protect from suspension wear, reduce friction, and silence damper noise while maintaining a consistent feel in all temperatures.
|Wheel size||27.5", 29"|
|Travel (mm)||100mm, 120mm|
|Damper Type||Charger 2 RLC|
|Fork offset||42mm (27.5"), 42mm (29"), 51mm (29")|
|Maxle included||Maxle Stealth, Maxle Ultimate|
|Color (FS)||Gloss Black, Gloss Blue|
|E-MTB Decal||No, Yes|
suspension set up starts here
It’s like having a personal tuner in your pocket. RockShox TrailHead App is the starting point to get your suspension dialed in for the perfect ride. Tuning recomendations, upgrade information, and service support all in your hand.rockshox trailhead