- rockshox motion control DNA
So i’m trying to get my head around all this info about rockshox’s Motion control compression damping
So all the new revs feature the motion control damper DNA and are solo air (used to hate fiddling with the positive/negative chambers on my old revs)
So they have 4 flavours
XX, RCT3, RTL and RL
ignoring the XX at the moment as it’s out of my range. From what I can work out the only difference between the RCT3 and the others is the RCT3 has got a knob to twiddle for open,threshold and lock. So if it’s open it’s going to be exactly the same performance wise as the other 2?
But then it says
“RCT3 features an independent adjustment of low speed compression.”
so if i’m really only concerned about high speed compression i.e rock garden stuff then this won’t matter to me so much
(I must admit my blackbox SID forks are pretty damn good and far better than any other fork i’ve had)Posted 4 years ago
Yep from what I understand the RCT3 has separate high and low speed compression circuits. The high speed is not externally adjustable but the low speed is.
The Black Box Motion control is a very similar unit with the dual compression circuits but without the threshold and lock adjuster.
RLT and RL have a single compression circuit.Posted 4 years ago
michaelonabicycle – Member
Definitely worth it. I upgraded my RL’s to the RCT3 damper and it stood up much better in its travel and didnt dive.
What was involved inthe upgrade, Michael? I always thought it wouldn’t be cost effective to do that as the rebound damper needed upgrading to Dual Flow at the same time?Posted 4 years agoSuperficialMember
The compression damper part of the RCT3 damper is different to the old one. It actually employs a kind of shim stack, and the standard compression
Depending on circumstances, you might want a relatively open HSC (high speed compression – for your rock garden) but more of a closed LSC circuit to avoid diving into corners etc. Only the RCT3 allows you to adjust this, and in my experience it works well and is a step up from the RLC damper.
But all the posher Rev dampers (including 2012 onwards dual flow etc) are way ahead of the cheaper dampers found in Sektors and pre-2011 forks.
The XX is actually a more basic damper, but it’s lighter.Posted 4 years ago
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