Revelation dual airs – what travel do you get?
My I’m 85 kg and my current setup is 105 pos, 95 neg. The lower neg pressure causes the fork to sit up in its travel a bit more but without affecting the rest of the stroke too much (something like adding preload on a coil shock).
Must say that it does seem to be a little harder on these new shape revs to get them set up than the older shape ones (2009 ish).
With equal pos/neg pressures set such that I can use all the travel occasionally I keep needing to add more and more compression damping to keep them under control during hard braking and berms etc to the extent that they become a bit harsh.Posted 6 years agoKryton57Subscriber
I get all 150 from mine in big whoops and landings, 120 regularaly on flowy singletrack, 12.2 stone and 100 pos / 110 neg.
A trick for you to try:
a) The floating piston can get stuck/confused. So, remove all air from both chambers. Pump up the POSITIVE first to your desired amount. Then pump the NEG to something very slightly higher +5/10psi. Do this order every time you set them as filling the positive first sets the internal floating piston.Posted 6 years agodan1980Member
Slight hijack, but every so often my revelation u turns suck “in” a bit.
When I initially set them up, they’ll sit at say 150, and after a number of rides (say 10-15) I notice that they sit at about 140, but I can pull the cross brace down to get the full 150, but after the next compression they’re back to reading 140.
When I empty both air chambers, and start again, they behave correctly for a while.
Any ideas?Posted 6 years agocharliemortSubscriber
Have mine set at 140mm with about 130 psi pos and neg – I’m about 15 1/2 stone. Sag is okay – Si at Loco tuning checked it. But even tonking down the gap road as fast as I dared I only get 110mm travel
is this normal?
They compress fully (ie 140mm travel) with no air in so nothing physically stopping them
thanksPosted 6 years agosuperfliMember
I’m 11 1/2 stone and run mine normally at around 95psi top and bottom. Not got full travel in UK yet, but only been running them for about 1month.
I went to a downhill bikepark in Spain a couple of weeks ago and each run I would have bottomed them out – that was after upping to 135psi!
Set to 140mm
Maybe just not hitting big enough drops?Posted 6 years agosquealingbrakesMember
I have same issues as dan1980. If you release the pressure in the -ve, the crown pops up to the 150mm travel, and oil blows out of the valve. I can only guess that there is some air (and oil) movement from the +ve to -ve chambers during use.
I have changed the seal between the twe chambers with no change in behaviour.
I now accept that I have got a 140mm fork, and live with it.Posted 6 years agoslowriderMember
let all the air out of both chambers. you will see that the fork sits at around the 120mm point. you can compress it all the way but it will return to around this point. im guessing this is the point where some form of bottom out protection kicks in, i remember forks of 15 years ago where you heard them clang as they bottomed out off big drops and i think id prefer it this way!!Posted 6 years ago
The topic ‘Revelation dual airs – what travel do you get?’ is closed to new replies.