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Used carbon rims with TL tyres – what to do next ?

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  • February 20, 2021 at 5:03 am #31452
    danfitzjohn

    Hi all

    ive just bought a nice used set of Hunt 30’s which are a year old and fitted with a pair of Schwalbe Pro tubeless tyres.  
    First time I’ve had tubeless so looking for some advice 

    1) should I renew the sealant or just ‘top up’? If the sealant is already good and hasn’t dried and then I top up is there a chance I could put too much in?

    2) what tools do I need to buy and take with me on a ride now I’ve got tubeless ? Different levers, plug repair kit etc?

    Thanks in advance 

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Viewing 15 replies - 1 through 15 (of 15 total)
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  • February 24, 2021 at 10:30 am #976555
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    OnYerBike
    danfitzjohn wrote:
    Many thanks – all makes sense

    Do you know if Its ok to top up sealent from different manufacturers as I don’t know what the previous owner used 

    I don’t think you’re meant to mix natural latex and synthetic latex based ones (apparently they can react and turn into a jelly-like mess)

    February 24, 2021 at 9:44 am #976553
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    Drinfinity

    Yes, I’ve mixed them. 

    Yes, I’ve mixed them. 

    February 24, 2021 at 9:04 am #976551
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    hawkinspeter
    Chris Hayes wrote:
    They’re about 2-3mm, so they might mend.  I’ll give it a go tomorrow, but for now I’m using my summer bike because it’s SUNNY! 

    That’s small enough that I’d expect the sealant to handle those. Out of interest, what tyres are you running?

    Good luck with the anchovies.

    (I’ve also spent hours trying to inflate a wheel with poorly applied rim tape – I’ve since learnt that if it’s not working, strip off the tape and do it properly)

    February 23, 2021 at 9:07 pm #976549
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    wtjs

    They’re fine when they’re

    They’re fine when they’re working

    This is an unacrimonious dispute where the 2 sides can simply accept the difference of opinion. Mine is that when you see hedge cutting, you’ll have to get off and carry the bike. Hawthorn’s anti-cyclist disposition makes Lancashire Constabulary look like Chris Boardman

    February 23, 2021 at 9:00 pm #976547
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    Chris Hayes

    Can’t say I blame you.  They

    Can’t say I blame you.  They’re fine when they’re working – but a sonofabitch when they’re not.  I spent about 6 hours in the garden last summer trying to get a set to stay up.  Was convinced it was the valve seat.  Turned out to be crap rim taping by yours truly – the kind and patient people who run Tri-Harder told me… This is the abridged, pre-watershed version of this story! 

    February 23, 2021 at 8:55 pm #976545
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    Chris Hayes

    They’re about 2-3mm, so they

    They’re about 2-3mm, so they might mend.  I’ll give it a go tomorrow, but for now I’m using my summer bike because it’s SUNNY! 

    February 23, 2021 at 8:22 pm #976543
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    emjay49

    I couldn’t be convinced to
    I couldn’t be convinced to run tubes ever again.

    February 23, 2021 at 7:30 pm #976541
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    wtjs

    You’re all failing to

    You’re all failing to convince me to go for tubeless!

    February 22, 2021 at 9:24 am #976539
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    hawkinspeter

    Two holes? How big are they

    Two holes? How big are they as I’ve had a bigger cut (approx 5-10mm) in Schwalbe Pro-Ones that was too big for anchovies and I ended up binning the tyre (which was only a week old as well).

    February 21, 2021 at 6:47 pm #976537
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    Chris Hayes

    Yes – that’s the one I have.

    Yes – that’s the one I have.  I’m spitting blood trying to plug a couple of holes with the damn things right now…. Trouble is, they’re right on the apex of the tyre. 

    February 21, 2021 at 6:20 pm #976535
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    hawkinspeter

    I can recommend the Dynaplug

    I can recommend the Dynaplug racer set which isn’t cheap but works well: https://road.cc/content/review/265660-dynaplug-racer-tubeless-repair-kit

    February 21, 2021 at 5:50 pm #976533
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    Chris Hayes

    Just top up the sealant just

    Just top up the sealant just to make sure.  I use about 1/3 of a bag od MuckOff, which is colourful and seems to work…it’s viscous at least.  

    I’ve had a few punctures, some which have sealed and some which haven’t – like the two I got on Friday due to the tree cutting in Canary Wharf which has written off the tyre.  I’ve never managed to get the plug things to work, despite buying a Lezyne set followed by an even more expensive Dynaplug… I take innertubes….same as I used to….and hope I don’t have to use them….same as I used to. 

    February 20, 2021 at 11:44 am #976531
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    hawkinspeter

    Never tried it, but I’d guess

    Never tried it, but I’d guess it’d be okay. I can recommend Caffélatex as my sealant of choice – buy a 1L bottle and it’s relatively cheap.

    February 20, 2021 at 11:31 am #976529
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    danfitzjohn

    Many thanks – all makes sense

    Many thanks – all makes sense

    Do you know if Its ok to top up sealent from different manufacturers as I don’t know what the previous owner used 

    February 20, 2021 at 9:36 am #976527
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    hawkinspeter

    I’d go for topping up sealant

    I’d go for topping up sealant. Sealant tends to last approx 3-6 months after which it’s either plugged loads of small punctures or dried up. The only real problem from having too much sealant is that your wheels will be heavier and maybe a bit sluggish if you’ve got pints in there (generally you want about 40ml sealant per tyre on a road bike).

    I take a plug repair kit with me (only used it once) and a valve extender so that if there’s an unsealable puncture I can use an ordinary inner tube (due to the deep rims though I carry a long valve inner tube anyway). Also, tyre levers and a CO2 cartridge for quick re-inflation (and a pump for when the CO2 is gone).

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