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I just got some brand new (if in stock for a while) forks.
These are some SID RCT3 Solo Air Forks (2015) if that matters...
Weirdly I've never had NEW as in unused forks before.
When I compress them I can hear a "swishing" that I've not heard in any of my other forks.
The plan for the forks is they are going to be fitted to the kids FS bike so they will need some serious tuning anyway...
I got them at £300 so not easily replaceable as I specifically want QR.... (for reason of swapping wheels with his XC bike when riding trails and stick the lead weight stock wheels on for uplift and downhill) ... and finding 26" low travel forks today is not easy.... TFT also told me the dual air are getting dodgy for spares...
So this week.... I need to get a EC headset fitted and see if it will take the tapered fork...(44mm and 100mm long so shouldn't be impossible)
If that works out... then its cut and send off for a revalve and tune for a 25kg rider.
If that doesn't work out I'll return them.
Only this swishy noise has got me worried or at least concerned there is some leak or mixing going on?
As they are a) Rockshox (legandary in their ability to ship with the wrong amounts of oil) and b) 2 years old, I'd be giving them a quick service before going any further
Do a lower leg service on them, takes 10 minutes and will confirm the oil levels in there, and if you do decide to send them back, it won't affect that.
Have you checked the rebound settings? My Rebas used to squish when at the slowest setting.
Apols if too obvious! 🙂
I'd second the idea of doing a lower leg service as well though.
I'm not entirely confident in checking the oil levels.. but even if I do then I'd need to source some oil and presumably top up and recheck?
So long as it's fixable with a service it's not too critical as they are going to be revalved and bushings changed for a 25kg rider... and the difference in price for tuning alone vs tuning and service isn't great
I've got an appointment at local Evans today... as it simplifies the sourcing/fitting of the EC lower... and they will do a cleaner job of extracting the current headset and fitting the star nut than I will with ghetto tools.
So its really a question of if I drop in frame and forks.... or reject.
So far .... it's looking like its worth going to the next stage 😀
they are going to be revalved and bushings changed for a 25kg rider... and the difference in price for tuning alone vs tuning and service isn't great
I don't see how they could change the bushings without effectively doing a lower leg service anyhow given that the fork is brand new and shiny.
Won't all that void your warranty though?
Why do bushings need changed for a lighter rider?.
Does a swishy noise mean low oil level ?
Won't all that void your warranty though?
Quite possibly but there isn't much alternative.
No point really riding a fork that sags to 30% by itself and won't return... or fixing that by pumping it up to pressures when it will return but won't compress.
Why do bushings need changed for a lighter rider?.
Apparently they can be tighter than required and result in stiction with a 25kg rider....hopefully someone who understands this stuff (i.e not me) can answer...
My old Rebas always wheezed and whooshed under compression.
Apparently they can be tighter than required and result in stiction with a 25kg rider....hopefully someone who understands this stuff (i.e not me) can answer...
They really shouldn't be, the only stiction should come from seals. Even if they were an interference fit, they wouldn't take very long to wear that away as they're plastic.
They really shouldn't be, the only stiction should come from seals. Even if they were an interference fit, they wouldn't take very long to wear that away as they're plastic.
So what should i be asking of suspension tuning companies...
I don't know why but hydraulics freak me out or I have a mental block on understanding and working with them.... (other than bike brakes)
I hate dealing with my own boilers and water systems domestically as well...something I always try and avoid.
I'm off the opinion that squelching noises are totally fine. Forks are supposed to make those noises. Its just the sound of the oil working it way through the dapper circuits.
Usually for me a quiet fork means service time as the oil has migrated out from where it should be or got mixed up up the dirt thats made its way back in.