Go Back  Bike Forums > Bike Forums > General Cycling Discussion
Reload this Page >

glass shard in tire (no leak): leave it or take it out?

Notices
General Cycling Discussion Have a cycling related question or comment that doesn't fit in one of the other specialty forums? Drop on in and post in here! When possible, please select the forum above that most fits your post!

glass shard in tire (no leak): leave it or take it out?

Old 02-22-21, 04:36 PM
  #1  
Helldorado
Senior Member
Thread Starter
 
Join Date: Aug 2020
Location: Tacoma, WA, USA
Posts: 161

Bikes: Cervelo Aspero Apex1x 2020; Giant Escape Disc modified commuter 2021

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 126 Post(s)
Liked 80 Times in 44 Posts
glass shard in tire (no leak): leave it or take it out?

I am running tubeless tires. A few days ago, riding home from work, I noticed a bit of white sealant bubbling out of the front tire just off the center line of the tread. It stopped leaking nearly as soon as I noticed it. On inspection there's a tiny little slice in the rubber (less than a mm long) with just a glint of shiny stuff beneath, presumably a glass shard. It isn't leaking any more and the tire has held its pressure over the last three days without any drop - which means the sealant has done it's job (for now, at least).

Question: should I leave well enough alone or should I try to pry the glass bit out of the tire and then, if necessary, plug the small hole with a...plug of "bacon?"

I'll do whatever you tell me to do.
Helldorado is offline  
Old 02-22-21, 04:50 PM
  #2  
Barry2 
LRP=HR
 
Join Date: Sep 2019
Location: SF Bay Area
Posts: 1,026

Bikes: 79 Holdsworth Special, 93 C-dale MT3000 Tandem, 96 C-dale F700CAD3, 2018 Cervelo R3, JustGo Runt, Ridley Oval, Kickr Bike 8-)

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 388 Post(s)
Liked 392 Times in 247 Posts
When I get those, I remove them.
Last one I had, the cut was significant. So I patched the tire from the inside.

Barry
Barry2 is offline  
Likes For Barry2:
Old 02-22-21, 04:51 PM
  #3  
GlennR
On Your Left
 
GlennR's Avatar
 
Join Date: Nov 2011
Location: Long Island, New York, USA
Posts: 8,259

Bikes: Trek Emonda SLR, Sram eTap, Zipp 303

Mentioned: 34 Post(s)
Tagged: 0 Thread(s)
Quoted: 2913 Post(s)
Liked 2,266 Times in 1,107 Posts
Remove the glass, it it leaks the sealant will plug it.
GlennR is offline  
Old 02-22-21, 04:55 PM
  #4  
Koyote
Senior Member
 
Join Date: Sep 2017
Posts: 3,999
Mentioned: 32 Post(s)
Tagged: 0 Thread(s)
Quoted: 3867 Post(s)
Liked 5,109 Times in 2,259 Posts
I would leave well enough alone. Digging it out will only make the hole larger.
Koyote is offline  
Old 02-22-21, 05:03 PM
  #5  
caloso
Senior Member
 
caloso's Avatar
 
Join Date: Jul 2002
Location: Sacramento, California, USA
Posts: 40,317

Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur

Mentioned: 66 Post(s)
Tagged: 0 Thread(s)
Quoted: 2719 Post(s)
Liked 2,427 Times in 1,126 Posts
Put me in the "take it out" camp. Likely you'll get a bit more bubbling, but pump up the tire, spin it to spread the sealant, and then leave it overnight with the hole at 6 o'clock. I'll bet it seals up. If not, then you can patch it.
caloso is online now  
Likes For caloso:
Old 02-22-21, 05:05 PM
  #6  
Koyote
Senior Member
 
Join Date: Sep 2017
Posts: 3,999
Mentioned: 32 Post(s)
Tagged: 0 Thread(s)
Quoted: 3867 Post(s)
Liked 5,109 Times in 2,259 Posts
For those who are advocating removal, a question: why?
Koyote is offline  
Old 02-22-21, 05:16 PM
  #7  
GlennR
On Your Left
 
GlennR's Avatar
 
Join Date: Nov 2011
Location: Long Island, New York, USA
Posts: 8,259

Bikes: Trek Emonda SLR, Sram eTap, Zipp 303

Mentioned: 34 Post(s)
Tagged: 0 Thread(s)
Quoted: 2913 Post(s)
Liked 2,266 Times in 1,107 Posts
Originally Posted by Koyote View Post
I would leave well enough alone. Digging it out will only make the hole larger.
A drop of super glue fixes that.
GlennR is offline  
Old 02-22-21, 05:39 PM
  #8  
caloso
Senior Member
 
caloso's Avatar
 
Join Date: Jul 2002
Location: Sacramento, California, USA
Posts: 40,317

Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur

Mentioned: 66 Post(s)
Tagged: 0 Thread(s)
Quoted: 2719 Post(s)
Liked 2,427 Times in 1,126 Posts
Originally Posted by Koyote View Post
For those who are advocating removal, a question: why?
Mostly because I don't like foreign objects in tires. If it's the thing that's keeping the hole plugged, and it comes out during a ride, you might end up with a larger hole that sealant won't plug. I'd rather find that out in my garage than 10 miles from home.
caloso is online now  
Old 02-22-21, 05:45 PM
  #9  
cubewheels
Senior Member
 
Join Date: Jun 2020
Location: Manila, Philippines
Posts: 1,785

Bikes: A really old BMX bike, Phantom 20 kid's MTB, Jackal Mio Gravel Bike

Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 764 Post(s)
Liked 365 Times in 293 Posts
Remove the glass and superglue the cut . A good samaritan from our forums (forgot his name) gave me that advice and really worked.

In the past, I simply removed the glass but did not superglue. What happened was road grit got into the cut and made it bigger.

So you do need to superglue the cut to avoid road grit from getting in the cut and eventually cause puncture.

Superglue on the tread doesn't compromise traction / grip so no worries there.
cubewheels is offline  
Old 02-22-21, 07:36 PM
  #10  
Troul 
:D
 
Troul's Avatar
 
Join Date: Oct 2013
Location: Mich
Posts: 4,314
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Liked 1,095 Times in 784 Posts
remove it. If it doesnt add speed, it's impeding.
if you leave it in, you might give it a name. Like, Glassy? Rashard?
__________________
-Oh Hey!
Troul is offline  
Likes For Troul:
Old 02-22-21, 07:38 PM
  #11  
tyrion
Senior Member
 
tyrion's Avatar
 
Join Date: Oct 2015
Location: San Diego, California
Posts: 3,482

Bikes: Breezer Radar

Mentioned: 26 Post(s)
Tagged: 0 Thread(s)
Quoted: 1875 Post(s)
Liked 1,265 Times in 602 Posts
If you leave it in and forget about it, you might cut yourself when handling the tire in the future.
tyrion is offline  
Likes For tyrion:
Old 02-22-21, 07:59 PM
  #12  
Koyote
Senior Member
 
Join Date: Sep 2017
Posts: 3,999
Mentioned: 32 Post(s)
Tagged: 0 Thread(s)
Quoted: 3867 Post(s)
Liked 5,109 Times in 2,259 Posts
Originally Posted by caloso View Post
Mostly because I don't like foreign objects in tires. If it's the thing that's keeping the hole plugged, and it comes out during a ride, you might end up with a larger hole that sealant won't plug. I'd rather find that out in my garage than 10 miles from home.
Originally Posted by tyrion View Post
If you leave it in and forget about it, you might cut yourself when handling the tire in the future.
Both seem reasonable to me.

I asked the question because I recently noticed a tiny piece of steel wire embedded in a tire...probably a very small piece of steel belt from an auto tire. I dug at it with a pick and a tweezers for a few minutes, saw that I would only extract it by digging a much bigger hole in the tire, and so quit trying. The tire is set up tubeless, so I suspect it'll be fine -- the debris has become part of the tire, with sealant dealing with any air leaks.
Koyote is offline  
Likes For Koyote:
Old 02-22-21, 10:30 PM
  #13  
Ghazmh
Senior Member
 
Ghazmh's Avatar
 
Join Date: Jan 2014
Location: The banks of the River Charles
Posts: 1,652

Bikes: 2020 Seven Evergreen, 2019 Honey Allroads Ti, 2018 Seven Redsky XX, 2017 Trek Boon 7, 2014 Trek 520, 2006 Gary Fisher Montare

Mentioned: 17 Post(s)
Tagged: 0 Thread(s)
Quoted: 513 Post(s)
Liked 483 Times in 286 Posts
When in doubt pull it out. It will throw the tire off balance
Ghazmh is offline  
Old 02-22-21, 10:45 PM
  #14  
Troul 
:D
 
Troul's Avatar
 
Join Date: Oct 2013
Location: Mich
Posts: 4,314
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Liked 1,095 Times in 784 Posts
Originally Posted by Ghazmh View Post
When in doubt pull it out. It will throw the tire off balance
thats what he/she said.
__________________
-Oh Hey!
Troul is offline  
Likes For Troul:
Old 02-22-21, 11:16 PM
  #15  
veganbikes
Clark W. Griswold
 
Join Date: Mar 2014
Location: ,location, location
Posts: 8,819

Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), Cilo Road Frame, Proteus frame, Ti 26 MTB

Mentioned: 38 Post(s)
Tagged: 0 Thread(s)
Quoted: 2457 Post(s)
Liked 1,487 Times in 993 Posts
Originally Posted by Helldorado View Post
I'll do whatever you tell me to do.
Send me $4000 and donate another $4000 to World Bicycle Relief. Just PM me and I can give you my PayPal info so you can send it along. You can put the 4k to WBR in whatever name you want or if you have your own local bicycle charity you love throw some money towards them as well. Also after you have given myself and WBR (or local bike charity) the money, go out and have your self a frosty cold one of your choosing (beer, root beer, cola, cold brew, iced tea...) or something heated should you also be dealing with cold weather (hot chocolate, hot toddy, hot coffee, mulled cider or wine...)

You will note I was quite fair not only did I take some money I donated some to charity and made you enjoy a nice cold or warm beverage. Most people would take advantage not I but you did say
Originally Posted by Helldorado View Post
I'll do whatever you tell me to do.
so be a man of your word.
veganbikes is offline  
Likes For veganbikes:
Old 02-22-21, 11:29 PM
  #16  
rsbob 
Sniveling Weasel
 
Join Date: Sep 2020
Location: Seattle-ish
Posts: 1,501

Bikes: Orbea Orca, Fondriest Racing, Bianchi Trofeo, Bianchi Infinito, Schwinn Varsity, Trek mtn

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 542 Post(s)
Liked 802 Times in 504 Posts
Leave it in and we can start a betting pool based on accumulated mileage until it fails from today forward. You should get 10% of the pot which you can put toward a tube of super glue.
__________________
Rick S

He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.- Fredrick Nietzsche. An argument based reasoned fact, beats one based on emotional rantings every time Anon





rsbob is offline  
Likes For rsbob:
Old 02-22-21, 11:48 PM
  #17  
phughes
Senior Member
 
phughes's Avatar
 
Join Date: Mar 2011
Posts: 2,179
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 622 Post(s)
Liked 571 Times in 338 Posts
Originally Posted by Koyote View Post
For those who are advocating removal, a question: why?
Glass, if left in, can continue to cut into the tire as it flexes, making a deeper hole. Basically any sharp object can do that as well.
phughes is offline  
Likes For phughes:
Old 02-23-21, 02:04 AM
  #18  
cjenrick
Senior Member
 
Join Date: May 2020
Posts: 300
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 108 Post(s)
Liked 83 Times in 62 Posts
i use a mag glass, flashlight and dental pick every night on my tires, usually remove about 2 or 3 small pieces of glass a night.

glass is tough, it will not break down into little pieces and leave the tire. it will continue it's journey inward until it's mission has been completed, which is to get a cab out to your location for a ride back home.

keep an eye out for more glass because it's a comin. but if you get it at an early stage, it will end up down at the dump where it belongs.

i gotta try this superglue thing to see if it will bond to a gatorskin hardshell,

Last edited by cjenrick; 02-23-21 at 02:11 AM.
cjenrick is offline  
Likes For cjenrick:
Old 02-23-21, 08:18 AM
  #19  
oldwinger14
Senior Member
 
oldwinger14's Avatar
 
Join Date: Jun 2020
Location: Framingham, MA
Posts: 183

Bikes: 2020 Cannondale Synapse Ultegra Di2, Mavic Ksyrium Elite Wheels, 2016 Orbea Avant Ultegra

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 57 Post(s)
Liked 60 Times in 44 Posts
Put me in the Remove column. If the sealant doesnt stop the leak, plug it. Dynaplug kits work great. If you dont remove it, two things will happen...the glass shard will make the hole larger and the shard will fall out when you are on a ride.
oldwinger14 is offline  
Old 02-23-21, 08:31 AM
  #20  
Ryno317
Member in Training
 
Ryno317's Avatar
 
Join Date: Oct 2020
Location: Philadelphia, PA
Posts: 64

Bikes: '21 GT Aggressor Pro, '16 Norco 7.1 Storm << son's bike

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 21 Post(s)
Liked 5 Times in 4 Posts
Remove it now while at home and see if the tire is good. Otherwise it could get worse and leak, making for a horrible day.
Ryno317 is offline  
Old 02-23-21, 09:36 AM
  #21  
Reflector Guy
Senior Member
 
Reflector Guy's Avatar
 
Join Date: Jul 2020
Location: Chicago
Posts: 862

Bikes: Bianchi Via Nirone

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 408 Post(s)
Liked 740 Times in 347 Posts
I vote to remove it also.

I used to live in a city that liked to put cinders down on the roads in the wintertime, instead of salt. The crushed cinders were just like shards of glass; tiny and razor-sharp like knives. I was using tubes of course but it was a constant struggle to find those shards and remove them before they cut all the way through into the tube. A year-round struggle! Unlike salt, the cinders didn't wash away in the spring rains.
Reflector Guy is offline  
Old 02-23-21, 09:47 AM
  #22  
Troul 
:D
 
Troul's Avatar
 
Join Date: Oct 2013
Location: Mich
Posts: 4,314
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Liked 1,095 Times in 784 Posts
the salt rocks are so hard in my area, that it minds well be glass. Whatever doesn't float off into the water tables, is a flat waiting to happen.
__________________
-Oh Hey!
Troul is offline  
Old 02-23-21, 09:48 AM
  #23  
cyccommute 
Mad bike riding scientist
 
cyccommute's Avatar
 
Join Date: Nov 2004
Location: Denver, CO
Posts: 24,277

Bikes: Some silver ones, a red one, an orange one and a few titanium ones

Mentioned: 124 Post(s)
Tagged: 1 Thread(s)
Quoted: 4277 Post(s)
Liked 1,791 Times in 1,088 Posts
Originally Posted by Koyote View Post
For those who are advocating removal, a question: why?
Think of it as a wound that never heals. An object in a tire with sealant is going to move every time the tire rolls over the object. It opens the gap and allows air to escape as well as letting more sealant escape. The hole never really seals.

Remove the object and the hole seals properly.
__________________
Stuart Black
Gold Fever Three days of dirt in Colorado
Pokin' around the Poconos A cold ride around Lake Erie
Dinosaurs in Colorado A mountain bike guide to the Purgatory Canyon dinosaur trackway
Solo Without Pie. The search for pie in the Midwest.
Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!
Days of Wineless Roads. Bed and Breakfasting along the KATY
Twisting Down the Alley. Misadventures in tornado alley.
cyccommute is offline  
Likes For cyccommute:
Old 02-23-21, 11:49 AM
  #24  
Helldorado
Senior Member
Thread Starter
 
Join Date: Aug 2020
Location: Tacoma, WA, USA
Posts: 161

Bikes: Cervelo Aspero Apex1x 2020; Giant Escape Disc modified commuter 2021

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 126 Post(s)
Liked 80 Times in 44 Posts
Originally Posted by veganbikes View Post
Send me $4000 and donate another $4000 to World Bicycle Relief. Just PM me and I can give you my PayPal info so you can send it along. You can put the 4k to WBR in whatever name you want or if you have your own local bicycle charity you love throw some money towards them as well. Also after you have given myself and WBR (or local bike charity) the money, go out and have your self a frosty cold one of your choosing (beer, root beer, cola, cold brew, iced tea...) or something heated should you also be dealing with cold weather (hot chocolate, hot toddy, hot coffee, mulled cider or wine...)

You will note I was quite fair not only did I take some money I donated some to charity and made you enjoy a nice cold or warm beverage. Most people would take advantage not I but you did say so be a man of your word.
  1. $4k submitted to World Bicycle Relief - good suggestion and a worthy cause, thanks.
  2. Attempted $4k deposit to your PayPal account but received error message: "Sorry, that account has been temporarily locked pending investigation of possible fraudulent activity. PayPal regrets the inconvenience."
  3. Invested some of the $4K I tried to send you (you sneaky rascal, you) on a six-pack of locally brewed, hand crafted and curated Sound Sound Porter. Nice strong chocolaty overtones and a strong malt finish.
Thanks again!
Helldorado is offline  
Likes For Helldorado:
Old 02-23-21, 12:13 PM
  #25  
Helldorado
Senior Member
Thread Starter
 
Join Date: Aug 2020
Location: Tacoma, WA, USA
Posts: 161

Bikes: Cervelo Aspero Apex1x 2020; Giant Escape Disc modified commuter 2021

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 126 Post(s)
Liked 80 Times in 44 Posts
UPDATE:
First I appreciate all the suggestions that have been offered. I read each and every one and considered them all carefully.

After yet another (nearly) sleepless night pondering this dilemma, this morning I decided to test the old dictum "The Enemy Of Good Is Better." So I went to the garage, strapped a headlamp on my forehead, procured a pair of fine-tipped forceps, and pulled the little glass shard out of the tire. It was a small bugger, about the size of a wooden toothpick head. As soon as I removed it there was a hiss of white liquid air- sealant. This did not stop. I attached the pump and kept re-filling the tire to a pressure of about 30 PSI, while orienting the puncture side down so that the sealant inside would pool over the hole and (I hoped) plug it. But the hissing and bubbling continued. For about five minutes, Then it stopped. I pumped the tire up to 50 PSI (My riding pressure) and the leak resumed, but only for a minute or so.

It's been three hours and on repeated pressure checks the tire has remained at 50 PSI.

I am looking for some SuperGlue to instill into the tiny crack in the rubber.

Tonight, I will sleep well.

Thank you.
Helldorado is offline  
Likes For Helldorado:

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.