Anyone running a Revox? And if so, what air pressure do you run? Or for that matter, anyone have any super cool advice on how much air vs. rider weight goes into these shocks? I am more of a "hucker" with a little DH thown into the mix, if that helps.
I am trying to actually "understand" the way the rear shock works. I ran a Metel for awhile, with minimal adjustments.
The Revox however, has Hi / Lo compression settings which confuse the hell out of me. It also have rebound (I got that understood) and SPV with settings 1-4. I have been running about 150 psi at SPV setting 3, and it seems pretty stable. Is it better to use the spring to stiffen the shock or the air? Anyone of you good MTBR members that has the scientific data figured out on these babys, and want's to share their knowledge would be greatly appreciated.
Also, I have a 888 RC2X with the hi / lo compression settings too, and as well it confused the hell out of me. So,.... bring on the knowledge! :thumbsup:
low speed compression affects slow inputs such as pedal forces in the shock, or brake dive in the fork. the revox already has a pedal platform, so just start with the low speed all the way out (fast) - it should pedal just fine like that.
use the low speed on your 888 (bottom left adjuster) to tune out brake dive. it will pedal better too, but go too far and you'll loose the small-bump sensitivity.
high speed compression affects fast inputs like high-speed chatter, but is most noticable on stuff like big drops or a sudden square-edge obstacle. essentially though, you'll use it to make your suspension more progressive (prevent bottom-out). the revox does this already with the spv volume adjuster (1-4). start again with the high-speed fully open (fast), and use the volume adjuster to control bottom-out. if you're still bottoming at 4, then start turning up the high-speed until its perfect.
use the high-speed compression adjuster on your 888 (top left, aka "x" cartridge) to prevent bottoming. you used to control this with oil levels, which is still possible, but less necessary with the high-speed adjustment. again, you'll change this setting frequently depending on what you're riding - back off for smooth singletrack, crank it up for big drops.
the air chamber in the revox is basically a compression assist circuit, similar to the boost valve in the fox dhx, for example. there has to be a minimum of 75 psi at all times. this is where you want it to keep the shock as plush and active as possible for dh riding. adding more pressure boosts compression essentially, so the shock will be deader feeling and will pedal better. you might want to increase it therefore in terrain that's pedally and smooth. max is around 250 psi i think, but it would feel like crap like this.
before doing any of this, make sure you have the right springs for your weight. you should get about 30% sag in the rear (carefully climb aboard your bike while a friend holds it for you and estimates sag in the shock), and 20% in the fork (use a zip-tie to measure it easily.
is takes a while to wrap your head around all this, but its worth learning because properly tuned suspension makes a big difference. let me know if you have more questions.
Wow, that was the information I was talking about! :thumbsup: I have already printed it out. I will work on the Revox tonight.
However, The 888 is having somewhat of an issue. It sticks for the first inch and a half or so. It is weird, feels like I need to oil the stanchions all the time. I called Zoke and they told me to dial everything out, ride it for 10 hours and them asses the issue. The 888 is brand new though. I will most likely post a thread about that problem later.
About the 888, on the top of each leg there are dials. One for compression and one for rebound. But, on top of each dial there is another dial with a + and - sign on it. Are these for fine tuning the compression and rebound? I ask all these questions because KHS did not send a manual with the fork.
To add to this, take notes of your settings AND riding experience. Then tinker with one setting per ride to dial in the shock perfectly to your riding. Keep taking notes.
I have a 6way and the notes guided me to a great feeling shock.
low speed compression affects slow inputs such as pedal forces in the shock, or brake dive in the fork. the revox already has a pedal platform, so just start with the low speed all the way out (fast) - it should pedal just fine like that.
use the low speed on your 888 (bottom left adjuster) to tune out brake dive. it will pedal better too, but go too far and you'll loose the small-bump sensitivity.
high speed compression affects fast inputs like high-speed chatter, but is most noticable on stuff like big drops or a sudden square-edge obstacle. essentially though, you'll use it to make your suspension more progressive (prevent bottom-out). the revox does this already with the spv volume adjuster (1-4). start again with the high-speed fully open (fast), and use the volume adjuster to control bottom-out. if you're still bottoming at 4, then start turning up the high-speed until its perfect.
use the high-speed compression adjuster on your 888 (top left, aka "x" cartridge) to prevent bottoming. you used to control this with oil levels, which is still possible, but less necessary with the high-speed adjustment. again, you'll change this setting frequently depending on what you're riding - back off for smooth singletrack, crank it up for big drops.
the air chamber in the revox is basically a compression assist circuit, similar to the boost valve in the fox dhx, for example. there has to be a minimum of 75 psi at all times. this is where you want it to keep the shock as plush and active as possible for dh riding. adding more pressure boosts compression essentially, so the shock will be deader feeling and will pedal better. you might want to increase it therefore in terrain that's pedally and smooth. max is around 250 psi i think, but it would feel like crap like this.
before doing any of this, make sure you have the right springs for your weight. you should get about 30% sag in the rear (carefully climb aboard your bike while a friend holds it for you and estimates sag in the shock), and 20% in the fork (use a zip-tie to measure it easily.
is takes a while to wrap your head around all this, but its worth learning because properly tuned suspension makes a big difference. let me know if you have more questions.
low speed compression affects slow inputs such as pedal forces in the shock, or brake dive in the fork. the revox already has a pedal platform, so just start with the low speed all the way out (fast) - it should pedal just fine like that.
use the low speed on your 888 (bottom left adjuster) to tune out brake dive. it will pedal better too, but go too far and you'll loose the small-bump sensitivity.
high speed compression affects fast inputs like high-speed chatter, but is most noticable on stuff like big drops or a sudden square-edge obstacle. essentially though, you'll use it to make your suspension more progressive (prevent bottom-out). the revox does this already with the spv volume adjuster (1-4). start again with the high-speed fully open (fast), and use the volume adjuster to control bottom-out. if you're still bottoming at 4, then start turning up the high-speed until its perfect.
use the high-speed compression adjuster on your 888 (top left, aka "x" cartridge) to prevent bottoming. you used to control this with oil levels, which is still possible, but less necessary with the high-speed adjustment. again, you'll change this setting frequently depending on what you're riding - back off for smooth singletrack, crank it up for big drops.
the air chamber in the revox is basically a compression assist circuit, similar to the boost valve in the fox dhx, for example. there has to be a minimum of 75 psi at all times. this is where you want it to keep the shock as plush and active as possible for dh riding. adding more pressure boosts compression essentially, so the shock will be deader feeling and will pedal better. you might want to increase it therefore in terrain that's pedally and smooth. max is around 250 psi i think, but it would feel like crap like this.
before doing any of this, make sure you have the right springs for your weight. you should get about 30% sag in the rear (carefully climb aboard your bike while a friend holds it for you and estimates sag in the shock), and 20% in the fork (use a zip-tie to measure it easily.
is takes a while to wrap your head around all this, but its worth learning because properly tuned suspension makes a big difference. let me know if you have more questions.
clarklewis, good points on the setup, but one thing to note the Revox can be had with either platform dampening or shim based dampening.
I run a Revox on my 6 Point. When I first got it on the bike I found that it had a little bit of a dead feel. I took it to a local shock guru here in Vancouver, and was quickly told that my Revox had the platform SPV type dampening. This was confirmed when he took the shock apart. I had him change it out to shim based setup, no platform now. The high and low speed compression dampening can be increased if you want to firm up the ride for climbing.
Typically, I try to run about 125-150 in the piggy back and a couple of clicks on each h/s comp with rebound to trail conditions. I will run the chamber at #1 for a little more linear feel for fast wide open runs feel and #3 or #4 for more techy trails where I want the bike to be move responsive.
If I remember correctly, I have a 350lb TI spring, which puts me around the 30% sag for my 180-190lbs. Not certain on the recommended sag for the m6 but for DW-link bikes the sweet spot seems to be in the 30% range.
is all the way out on the high and low speed + or -
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