Reverb bushes

Home Forum Bike Forum Reverb bushes

Viewing 29 posts - 1 through 29 (of 29 total)
  • Reverb bushes
  • jonk
    Member

    I’m getting pretty good at servicing my reverbs now, i initially sent it off for a service and it came back with polymer bushes. Does anyone know where these can be bought from?
    Cheers

    jonk
    Member
    pigyn
    Member

    Both of them, including the one pressed into the top cap?

    That would be interesting to get hold of if they work well, having to buy a top cap is a piss take when they are so easy to change.

    Ambrose
    Member

    I wonder if IGUS do anything like this?

    IGUS homepage

    Premier Icon deadkenny
    Subscriber

    I’ve yet to try a DIY service but got a Reverb that’s indicating worn bushing. I though these were like fork’s where it’s a specialist job to do the bushings, or alternatively heard you can change the top collar for a new one. @pgyn – by top cap do you mean the top collar?

    Would be interested to know about changing that if it’s easy as you claim, and likewise where to get the bushings.

    Woodentop
    Member

    Hi, did anyone manage to find any replacements for the upper bush? I’ve searched online but drawn a blank for anything in the correct size.
    Cheers

    wycombephil
    Member

    Hi

    I found the same thing and agree it’s crazy that you can’t buy the bush by itself and fit it to the top cap. I’m hoping to start retailing these soon probably for around £12-15 each. I’m also going to be developing a press tool to pull them in and out nice and square. Would that be of interest?

    Just as a bit of background I’ve been selling DU bush tools for years on eBay so I’ve got “form”. Going to be out of action for a few weeks after an operation so looking to put the time to good use pulling this idea together

    I’d be interested wycombephil,will you have to dremel out the old top cap bush as there isn’t much exposed to pull/push it out?
    The stock bushings are frustratingly delicate and when they fail they cause damage and the lower one often is crimped and fails when you just go in to clean and re grease the post.
    I actually got talking to Igus bushings a year or so ago about it at a trade show and they seemed interested but I never got round to following it up.I’m not sure why SRAM never went with solid bushings rather than the thinly ptfe coated metal ones.

    Premier Icon Rick Draper
    Subscriber

    You can remove the bushing from the top cap very easily.

    Share the wealth Rick,whats the technique?
    I wonder if you need to remove that metal part of the bush at all,perhaps you could get a small thin sliced bush made that in effect replaces the ptfe bit that wears out and that snaps over the hole thing.

    Premier Icon Rick Draper
    Subscriber

    Just get a flat screwdriver and tap it and it drops out. You need to remove the alloy backing as well as thats what retains the bush in position If you only replaced the thin PTFE part it would be free to move up and down inside the post. If you do manage to find a replacement you then need to size it to the correct tolerance.

    Dilwyn
    Member

    J-tech suspension do them I think. Although they might only do it as part of a service.

    I was thinking something like this may work, a double flanged clip bearing kind thing
    Clip Bearings

    wycombephil
    Member

    Thanks for the feedback all. Will post again when I’m up and running with this….

    Premier Icon Onzadog
    Subscriber

    Phil,
    Any closer on this? I’m considering going back to reverb because it can but fully fettled at home but it’s the cost of some of the common wear parts that’s putting me off right now.

    goldenwonder
    Member

    We (The Trailhead, Shrewsbury) sometimes have the top cap bush in stock (not a genuine part, but one we’ve fitted for a couple of years) for £15.
    Give the shop a ring to check on availability, as they’re often running low as we do a lot of Reverb servicing.

    _Ben_
    Member

    Does anyone know what the top bearing inner diameter and outer diameter is? Or how about the stanchion of the seat post itself?

    wycombephil
    Member

    Right got, I think I’m about there. Have had a prototype made and tested it in my Reverb – so far so good. Hoping to get the production batch this week. Let me know if you’d like one.

    At this point I am happy to sell them at £9 (cost plus P&P) as I’d like to get a few more installed and tested before I start selling them on eBay with the shock bushes etc. I sell there (https://m.ebay.co.uk/sch/i.html?isRefine=true&sid=stephenscycles&isRefine=true&_pgn=1&_mwBanner=1).

    Definitely caveat emptor at this point – any takers?

    Phil

    Premier Icon Onzadog
    Subscriber

    Is that £9 each or for the pair?

    wycombephil
    Member

    Just the one in the top cap. The lower bush comes with the basic service kit. It’s only the top bush that you can’t buy separately (until now….)

    Your link doesn’t work Phil,just goes to empty page on eBay.
    Does your tool remove and install topcap bush?

    wycombephil
    Member

    Bushes now available here:

    https://m.ebay.co.uk/itm/Rockshox-Reverb-Top-Cap-Bush/122851668760?_mwBanner=1

    If you’re one of the people who showed an interest above contact me before you buy so that I can honour the price. Just for reference I have built these into 2 Reverbs and both are working perfectly with no play. One was a full service and the other just had the Bush replaced. In both cases the original Rockshox bushes were delaminating nicely -something that can’t happen with a polymer bush.

    steel4real
    Member

    This looks excellent – but what’s the easiest, simplest and best way to remove the existing bush ?

    I can see one or two posters state that a small flat bladed screwdriver can be used but how exactly ?

    (A couple of photos to explain would really help)

    Thanks.

    Premier Icon singlespeedstu
    Subscriber

    Bookmarking this.

    Nice looking bushes there Phil are you gonna be doing the lower split ones too? How are you coming along with the press tool/remover?

    Steel4real-The just tap it out method didn’t work for me so I popped the dust seal out and just passed a hacksaw blade through topcap and reattached it to hacksaw and then gently sawed through the seam in the metal bush(you also cut through the flange a wee bit but this doesn’t harm anything ) and it popped out.

    Woodentop
    Member

    Bought some bushes from Bearing Boys the other week, cut them down on the lathe last week and fitted a pair to my own Reverb.
    The Top bush knocks out no probs.
    I left the new bush in one piece (no slot cut) and made a press tool, went in no probs, cut a slot in the lower bush and fitted that as normal.
    Greased them both with Slick Honey as I would with the standard ones, feels spot on, no stiction / binding, I think there might be a slight be more fore / aft play with the new bushes in, maybe not as a good a tolerance fit as the originals? But, at least these one piece bushes will stay together with no risk of metal on metal.
    Far from perfect fix, but i’m happy with mine so far.

    wycombephil
    Member

    Hi all,

    Thanks again for your interest.

    So far I have found it fairly easy to tap the bushes out but I can make a press tool if there’s a market for it.

    I have costed out the lower bush but at the moment I will probably not take it into production as it would be a little more expensive that the plain Bush and it is included in the basic service kit. I think the polymer bush would be a better engineering solution but ultimately i don’t think there would be enough of a market for it. Any opinions on this?

    I think your right on the tool-its not needed.Anyone attempting this in the first place will be fairly practical and able to get old one out and new one in.

    There are other cheaper nylon solutions for the lower bush already too so once again I guess its not needed.

    I reckon you could source direct ptfe replacements for lower one for pennies if you wanted to(rather than pay £10 a pop as part of kit).

    Shame on SRAM for not making these more resilient/easier and cheaper to replace in the first place.

Viewing 29 posts - 1 through 29 (of 29 total)

You must be logged in to reply to this topic.