RockShox has laid claim to the Superlight XC throne with their 32mm SID chassis. And with this SID World Cup Dual Air 120mm 15mm Fork, they want a piece of the marathon race market as well. This fork takes the lightness of the shorter travel SID forks, but adds nearly another inch of travel to make it a bump eating 120mm featherweight. At 3lbs even, it's certainly light, but the one-piece carbon fiber tapered steerer/crown keeps it stiff and strong. You'll feel the lightness when you ride, but with the performance of the carbon upper and the added rigidity of the 15mm Maxle Light thru-axle, you'll have all the stability and control you could ask for.The Blackbox Motion Control Damper system is the finest that RockShox offers. It has separate circuits for high and low speed compression as well as beginning and ending stroke (big hit and small hit) rebound damping. This is what they call Dual Flow, and it allows the fork to respond correctly to these different kinds of forces since they require different levels of damping. The result is a fork that is sensitive to stutter bumps and soaks up bigger hits to keep you in control and comfortable at all times. You'll find a lockout lever on the right side of the fork crown that also acts as an external adjustment for the low-speed compression damping. It's detented now, so you can make an adjustment of a click or two and the knob will stay put until you twist it again. You can dial in the low-speed compression damping from light to lockout, depending on the terrain and your preferences. A gold threshold adjustment knob sets the force required to blow through the lockout. On the bottom of the right leg is a detented rebound ...the one-piece carbon crown and tapered steerer adds stiffness and saves weight... adjustment knob that controls the beginning stroke (small hit) rebound damping. The red rebound knob contains a short 2.5mm hex key that also serves to adjust the preload tension on the Maxle lever throw.
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