apparently you're supposed to clean the air can seals regularly
Is that a DIY job? Any details on how you do it? I don't fancy paying £80 for a service on a frequent basis.
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Yes, it's dead easy.
1. Let air out of can using valve.
2. Unscrew the can, it's a normal thread and you'll end up with the can in one hand and the damper in the other. It's pretty obvious once you start.
3. Clean up seals, regrease / oil / whatever.
4. Screw back together.
No special tools needed. I guess the obvious, if you're concerned, is to talk to Pace and see what they suggest in terms of lubrication. To keep the warranty valid, you're supposed to have the shock serviced annually. Pace turned mine around under warranty in three days by the way, apparently a seal had gone in the damper and an uprated one was fitted. They say generally it's a reliable shock and they don't get many back, so I guess I was just unlucky.
The RP23 by the way – just in case I perfect time travel in the past, so I can answer my own question in advance – is brilliant. Thrashed it senseless over Cut Gate yesterday and it feels lovely. It's a 2010 unit with the Boost Valve gubbins and seems to be able to combine really controlled damping with good small bump response – fab traction on climbs – with properly good big bump response. O-ring showed I used all the travel coming down, but there was no hint of a bottom out at any time.
I'm very, very happy with it. The bike's great with the DT Swiss, but I think the Fox feels even better. Like I said before, not quite as floaty maybe, but more controlled. The Pro-Pedal doesn't seem to do much though.
Now about that time travel thing…