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White foam around tubeless tires

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White foam around tubeless tires


How to inflate a tire with a Presta valve?Is there a way to fill your tires with nitrogen?Alternative options for Trek FX 7.1 brakesMystery flat keeps happening 3-5 times a week. Do I weigh too much for my tires?Slick tires and Knobby tires vs Bumpy roads!Can I use rimless tape with an inner tube on a regular (tube style) rim?Does sealant in tubeless tyres slosh around?Questions about tubeless tiresI keep destroying new tubeless tires!Go tubeless with used tires













1















I've bought this bike new about 10 months ago. No issues until now, only the fact that my tires (tubeless) lately have constant white foam like this:



enter image description here



Now I have to pump up my tires every day before I ride, but the bike is still usable through the day even for long rides.



Now I know that I should take it to a shop, but I want to know what to expect there, would it be a difficult and expensive job?



Thanks!










share|improve this question

















  • 1





    it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

    – Ross
    1 hour ago






  • 1





    I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

    – Daniel R Hicks
    1 hour ago











  • Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

    – Nate W
    1 hour ago















1















I've bought this bike new about 10 months ago. No issues until now, only the fact that my tires (tubeless) lately have constant white foam like this:



enter image description here



Now I have to pump up my tires every day before I ride, but the bike is still usable through the day even for long rides.



Now I know that I should take it to a shop, but I want to know what to expect there, would it be a difficult and expensive job?



Thanks!










share|improve this question

















  • 1





    it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

    – Ross
    1 hour ago






  • 1





    I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

    – Daniel R Hicks
    1 hour ago











  • Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

    – Nate W
    1 hour ago













1












1








1








I've bought this bike new about 10 months ago. No issues until now, only the fact that my tires (tubeless) lately have constant white foam like this:



enter image description here



Now I have to pump up my tires every day before I ride, but the bike is still usable through the day even for long rides.



Now I know that I should take it to a shop, but I want to know what to expect there, would it be a difficult and expensive job?



Thanks!










share|improve this question














I've bought this bike new about 10 months ago. No issues until now, only the fact that my tires (tubeless) lately have constant white foam like this:



enter image description here



Now I have to pump up my tires every day before I ride, but the bike is still usable through the day even for long rides.



Now I know that I should take it to a shop, but I want to know what to expect there, would it be a difficult and expensive job?



Thanks!







tire tubeless






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 2 hours ago









Claudiu CreangaClaudiu Creanga

365148




365148







  • 1





    it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

    – Ross
    1 hour ago






  • 1





    I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

    – Daniel R Hicks
    1 hour ago











  • Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

    – Nate W
    1 hour ago












  • 1





    it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

    – Ross
    1 hour ago






  • 1





    I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

    – Daniel R Hicks
    1 hour ago











  • Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

    – Nate W
    1 hour ago







1




1





it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

– Ross
1 hour ago





it appears to be tire sealant doing its best to seal punctures in the tire. Did you happen to ride the bike while it was under-inflated, perhaps a lot? If so, you may have caused significant damage to the tire. You may be out the cost of a new tire.

– Ross
1 hour ago




1




1





I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

– Daniel R Hicks
1 hour ago





I would guess that that is the goo inside the tire oozing out. You have apparently developed multiple holes in the side of the tire. This could be due to having a really cheap tire, or it could be due to some sort of abuse, such as riding with excessively low pressure.

– Daniel R Hicks
1 hour ago













Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

– Nate W
1 hour ago





Are these the tires that have been on the bike the whole time, did you just add sealant or has it always been in there as well? Some tires when setting them up tubeless for the first time tend to leak from the sidewalls and "tubeless compatible" tires require a layer of sealant to build up before being completely air tight. This is normal for a lot of tires mounted tubeless for the first time, it is not normal if you have had the tires and the sealant mounted for the entire 10 months.

– Nate W
1 hour ago










2 Answers
2






active

oldest

votes


















3














Modern tubeless bicycle tires require a sealant to be added to the inside of the tire. If a small leak develops the sealant seeps out, meets air, solidifies and seals the leak. I believe this arrangement has become popular because earlier tubeless standards like UST required heavier tires.



The white foam dots you see is the tubeless tire sealant leaking out of holes in the sidewalls of the tire, and failing to seal them completely seems.



what's fascinating is the pattern of holes in the sidewall, I've never seen anything like that before. I think commenters on on your question are correct, there's possibility you have damaged the sidewall by riding with excessively low pressure which has folded the sidewalls at an acute angle.



Refreshed sealant may solve the problem - sealant loses effectiveness over time. A new tire will definitely fix it. Replacing sealant or a tire is not difficult and is relatively inexpensive, depending on the the replacement tire you choose. I'd go for a replacement tire, as replacing the sealant will involve the same amount of work and labor cost as replacing the tire.



While you are at the bike repair shop, have the rear wheel checked for trueness , you may have suffered some impacts with the tire underinflated. Also, think about getting yourself a pump with a pressure gauge to avoid future problems if you have been under inflating the tire.






share|improve this answer
































    0














    This is an issue that often happens when you combine a tyre that doesn't hold air well with a very light sealant. The solution is to add in a sealant that's a bit thicker and chunkier. A mix of 50% NeverFlat and 50% Stan's works very well.






    share|improve this answer























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      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      3














      Modern tubeless bicycle tires require a sealant to be added to the inside of the tire. If a small leak develops the sealant seeps out, meets air, solidifies and seals the leak. I believe this arrangement has become popular because earlier tubeless standards like UST required heavier tires.



      The white foam dots you see is the tubeless tire sealant leaking out of holes in the sidewalls of the tire, and failing to seal them completely seems.



      what's fascinating is the pattern of holes in the sidewall, I've never seen anything like that before. I think commenters on on your question are correct, there's possibility you have damaged the sidewall by riding with excessively low pressure which has folded the sidewalls at an acute angle.



      Refreshed sealant may solve the problem - sealant loses effectiveness over time. A new tire will definitely fix it. Replacing sealant or a tire is not difficult and is relatively inexpensive, depending on the the replacement tire you choose. I'd go for a replacement tire, as replacing the sealant will involve the same amount of work and labor cost as replacing the tire.



      While you are at the bike repair shop, have the rear wheel checked for trueness , you may have suffered some impacts with the tire underinflated. Also, think about getting yourself a pump with a pressure gauge to avoid future problems if you have been under inflating the tire.






      share|improve this answer





























        3














        Modern tubeless bicycle tires require a sealant to be added to the inside of the tire. If a small leak develops the sealant seeps out, meets air, solidifies and seals the leak. I believe this arrangement has become popular because earlier tubeless standards like UST required heavier tires.



        The white foam dots you see is the tubeless tire sealant leaking out of holes in the sidewalls of the tire, and failing to seal them completely seems.



        what's fascinating is the pattern of holes in the sidewall, I've never seen anything like that before. I think commenters on on your question are correct, there's possibility you have damaged the sidewall by riding with excessively low pressure which has folded the sidewalls at an acute angle.



        Refreshed sealant may solve the problem - sealant loses effectiveness over time. A new tire will definitely fix it. Replacing sealant or a tire is not difficult and is relatively inexpensive, depending on the the replacement tire you choose. I'd go for a replacement tire, as replacing the sealant will involve the same amount of work and labor cost as replacing the tire.



        While you are at the bike repair shop, have the rear wheel checked for trueness , you may have suffered some impacts with the tire underinflated. Also, think about getting yourself a pump with a pressure gauge to avoid future problems if you have been under inflating the tire.






        share|improve this answer



























          3












          3








          3







          Modern tubeless bicycle tires require a sealant to be added to the inside of the tire. If a small leak develops the sealant seeps out, meets air, solidifies and seals the leak. I believe this arrangement has become popular because earlier tubeless standards like UST required heavier tires.



          The white foam dots you see is the tubeless tire sealant leaking out of holes in the sidewalls of the tire, and failing to seal them completely seems.



          what's fascinating is the pattern of holes in the sidewall, I've never seen anything like that before. I think commenters on on your question are correct, there's possibility you have damaged the sidewall by riding with excessively low pressure which has folded the sidewalls at an acute angle.



          Refreshed sealant may solve the problem - sealant loses effectiveness over time. A new tire will definitely fix it. Replacing sealant or a tire is not difficult and is relatively inexpensive, depending on the the replacement tire you choose. I'd go for a replacement tire, as replacing the sealant will involve the same amount of work and labor cost as replacing the tire.



          While you are at the bike repair shop, have the rear wheel checked for trueness , you may have suffered some impacts with the tire underinflated. Also, think about getting yourself a pump with a pressure gauge to avoid future problems if you have been under inflating the tire.






          share|improve this answer















          Modern tubeless bicycle tires require a sealant to be added to the inside of the tire. If a small leak develops the sealant seeps out, meets air, solidifies and seals the leak. I believe this arrangement has become popular because earlier tubeless standards like UST required heavier tires.



          The white foam dots you see is the tubeless tire sealant leaking out of holes in the sidewalls of the tire, and failing to seal them completely seems.



          what's fascinating is the pattern of holes in the sidewall, I've never seen anything like that before. I think commenters on on your question are correct, there's possibility you have damaged the sidewall by riding with excessively low pressure which has folded the sidewalls at an acute angle.



          Refreshed sealant may solve the problem - sealant loses effectiveness over time. A new tire will definitely fix it. Replacing sealant or a tire is not difficult and is relatively inexpensive, depending on the the replacement tire you choose. I'd go for a replacement tire, as replacing the sealant will involve the same amount of work and labor cost as replacing the tire.



          While you are at the bike repair shop, have the rear wheel checked for trueness , you may have suffered some impacts with the tire underinflated. Also, think about getting yourself a pump with a pressure gauge to avoid future problems if you have been under inflating the tire.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 28 mins ago

























          answered 1 hour ago









          Argenti ApparatusArgenti Apparatus

          40k34198




          40k34198





















              0














              This is an issue that often happens when you combine a tyre that doesn't hold air well with a very light sealant. The solution is to add in a sealant that's a bit thicker and chunkier. A mix of 50% NeverFlat and 50% Stan's works very well.






              share|improve this answer



























                0














                This is an issue that often happens when you combine a tyre that doesn't hold air well with a very light sealant. The solution is to add in a sealant that's a bit thicker and chunkier. A mix of 50% NeverFlat and 50% Stan's works very well.






                share|improve this answer

























                  0












                  0








                  0







                  This is an issue that often happens when you combine a tyre that doesn't hold air well with a very light sealant. The solution is to add in a sealant that's a bit thicker and chunkier. A mix of 50% NeverFlat and 50% Stan's works very well.






                  share|improve this answer













                  This is an issue that often happens when you combine a tyre that doesn't hold air well with a very light sealant. The solution is to add in a sealant that's a bit thicker and chunkier. A mix of 50% NeverFlat and 50% Stan's works very well.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 41 mins ago









                  Carbon side upCarbon side up

                  3,272318




                  3,272318



























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