 | Home > Wheels & Tyres > Dyna Beads |
 
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| v8steve Member Since: 18 Apr 2011 Location: dumfries scotland Posts: 195   
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have them in mine for about 2 years now. work great 110 xs s/wagon
s3 swb soft top |
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1st Mar 2019 8:02pm |
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| donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841 
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I didn't have such a great experience I must admit, but I was trying to tackle a "death wobble" and hoping dynabeads would achieve that was probably too optimistic.
I do like the idea myself, and might try again at a point where I know the rest of the steering/wheel bearings etc is in good order. One thing though, at one point, I needed to do something with the tyre valve - maybe try and deflate the tyre slightly after filling at a garage air-station. A bead got into the valve, couldn't get it out, flat tyre.... not happy. All this was umpty um years ago though, so maybe they're different/better now. I'll look forward to seeing other replies. Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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1st Mar 2019 8:36pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7986 
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could you not have just removed the valve and pushed the bead back in the tyre then re-inflate? Cheers
James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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1st Mar 2019 8:47pm |
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| donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841
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That's what I did when I got home, but I didn't have the tool to hand. It's a long time ago now, so my memory's pretty hazy. It was one of those situations where you're running late to pick up the kids; childminder's getting antsy; traffic is slow etc etc.
I'd got really slick at changing wheels around that due to an issue with tubes and tubeless tyres, so it was easier to just swap the wheel. If I did refit these - I'd always have a valve tool handy! But it might not even be an issue if the beads themselves are slightly bigger now? These ones were small enough to get into such tight spots. Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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1st Mar 2019 9:08pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20280
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I like them a lot, I think people tend to fit thinking that is their issue they have like I did but isn’t always the case. Once those other issues are sorted out you then find they are very good.
Ran with it since summer with no issues at all, they’ve been very good. I have always remembered the possible valve stem issue, to combat this which I’ve never experienced a problem with I carry a valve tool all the time. That way there is always a plan B should an such event occur whilst out and about. But that’s a slim probability and more likely a wheel change needed I.e. tyre cut, puncture etc etc. I always check my tyre pressures at home too anyway, so even less probability of problems. I’d rate them 9.5 of 10. Smoothed our higher end speed beautifully too on quite fat tyres. Definitely recommended. IIRC Blackwolf here runs it too and has had good success and so did K9F a few years ago as well to avoid adding weights. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ Last edited by custom90 on 9th Mar 2019 7:05pm. Edited 1 time in total |
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1st Mar 2019 10:23pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17319 
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I can confirm that "Blackwood" is a big fan of Dynabeads, but bear in mind that whilst they're great for balance issues they won't help if your wobble is caused by something else.
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2nd Mar 2019 9:03am |
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| Grouse Member Since: 16 Apr 2012 Location: on the hill Posts: 520 |
I have got Dynabeads in a set of Cooper STT’s 265/75/16 they work perfectly - they are though the large size beads fitted by breaking the bead on the tyre - not the small beads which go through the valve stem
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2nd Mar 2019 9:12am |
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| jonny Member Since: 10 Mar 2013 Location: North Wilts Posts: 145 |
I've got a set of the ones D4x4 sell which are similar (but much cheaper
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They work, but they do seem to have some caveats - at motorway speeds, if you hit a pothole it you get the symptoms of an unbalanced wheel back - slow down or hit another pothole and it'll sort itself out again. I think the beads get bounced around inside the tyres and end up in the wrong place, and it takes a while for them to settle down again. |
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4th Mar 2019 6:57am |
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| Sadi Member Since: 23 Jul 2015 Location: Windhoek Posts: 334  
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Got the IMI Equalflex. You also need to break the bead and then just toss the unopened packet in. At right about 88 to 92 km/h you will get a slight wobble - which disappears as speed increases. So cruising at 110km/h everything is fine. Care should be taken when seating the tyre not to use excessive lubricant to prevent the stuff clinging to it (it resembles confetti) Nitrogen preferred for airing up - but not a prerequisite. On the packet it claims to be friendly to TPMS - but you do get the odd sticky valve - but can often be sorted with some jiggling and patience. But if unscrewing the valve innards - rather position to have valve at the top/12h00 position to prevent the stuff possibly flying out under quick air escape.
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9th Mar 2019 5:21am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20280
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It seems a positive experience regardless of small or standard beads.
Blackwolf - "Blackwood" has now been edited into the history books.   ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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9th Mar 2019 7:09pm |
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| Alex1976 Member Since: 23 Jan 2013 Location: Buckingham Posts: 596 
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Well, just thought I would post an update. A month of using the Dynabeads and I am impressed. The Defender is definitely smoother running and no issues with the beads at any speed.
The stick on weights that I removed must have been slightly off. I hadn’t lost any so I can only presume that either they were never balanced perfectly from new or after 20k of wear on the tyres, they are no longer balanced and needed a rebalance. Definitely a convert to balancing beads now. My ocd also likes that I don’t have weights stuck on to my nicely painted alloys.  Click image to enlarge |
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31st Mar 2019 8:56am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20280
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Looking good, and yes indeed even when balanced with weights they get thrown out of balance over time and or possibly lose one. And every time they are swapped around damage an alloy.
They are especially good at higher speeds and easy to install so long as you have a good compressor or lots of time if you don’t! ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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31st Mar 2019 10:15am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2290 
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Never heard of these but sound like a good idea!
Will give it a whirl I think > 110 XS Double Cab |
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31st Mar 2019 10:29am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20280
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You have two options larger standard beads if your getting new tyres fitted. They are put in before the bead is set and they are inflated. They come in measured precision quantities.
Or smaller Dynabeads that are inserted via the valve stem on a fully deflated tyre with the valve stem core removed. I have the latter as my tyres were fitted already and had weights as well. Obviously you need to Jack the axle corner up, put it on a stand one side at a time. Fully deflate the tyre, then remove the valve stem core, rotate the wheel so that the valve stem is at the bottom and gravitational pull is your friend and then you connect the applicator tube and bottle to the valve stem. Then repeat the above in reverse and re-inflate. I’ve always been happy with it. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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31st Mar 2019 10:52am |
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