Applying an inner tube patch on tyre cuts
10-02-18, 02:29 AM
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Applying an inner tube patch on tyre cuts
I recently had a puncture from a glass. It made a cut (around 4-5 mm) on the tyre. After inflating I found the cut opens up. So did some research but didn't find any clear solution. Solutions like shoe goo, super glue came up, but I didn't go ahead with them.
I had some inner tube patches lying around. I cleaned up the inner area around the cut and applied the patch meant for inner tube. Also, applied little glue (the one which comes with the patch kit), on the outside tyre.
Is there any drawbacks of this? Is there a better solution for tyre cuts
The intension is to prevent the cut from growing and stopping any dirt/water from getting in.
Thanks
I had some inner tube patches lying around. I cleaned up the inner area around the cut and applied the patch meant for inner tube. Also, applied little glue (the one which comes with the patch kit), on the outside tyre.
Is there any drawbacks of this? Is there a better solution for tyre cuts
The intension is to prevent the cut from growing and stopping any dirt/water from getting in.
Thanks
Last edited by raja_mastana; 10-02-18 at 02:34 AM.
10-02-18, 05:03 AM
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The tube patch should be ok for small tire cuts. I find Gorilla tape to be a little better and more convenient - less stretch so contains the tube better for larger tire cuts, cheaper than patches, and easier to apply since it's self-adhesive. I keep some wrapped around my tire levers for repairs on the road.
10-02-18, 08:50 AM
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I've used rubber cement on Tyvek (think FedEx envelope) to hold a boot in place. That one lasted until the tire wore out, down to the cords.
10-02-18, 09:30 AM
#5
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I've used an old innertube and cut a decent sized patch, then glue it inside the tire, then apply a few strips of Gorilla Tape. Good to go! 
10-02-18, 09:44 AM
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Bike shops have boots to place in tires for this. They have adhesive on one side to keep them in place so they wont budge out of the cut.
Last edited by rydabent; 10-02-18 at 12:03 PM.
10-02-18, 09:46 AM
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I don't hesitate to use superglue on rubber tyres where it's not meant to stretch; superglue grabs onto rubber just fine.
ive even superglued tyres on a car
found a threadblock dangling half sliced off, so I cleaned the mating surfaces then superglued. The repair held fine for several years & 1000s of kms until that tyre got replaced for age.
ive even superglued tyres on a car
found a threadblock dangling half sliced off, so I cleaned the mating surfaces then superglued. The repair held fine for several years & 1000s of kms until that tyre got replaced for age.
10-02-18, 09:51 AM
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I carry these: https://www.parktool.com/product/eme...tire-boot-tb-2
I once had a sidewall slashed open by a rock, leaving a hole I could put my thumb through.
I didn't think the boot could handle a hole that bad, but it got me home, six miles away.
I once had a sidewall slashed open by a rock, leaving a hole I could put my thumb through.
I didn't think the boot could handle a hole that bad, but it got me home, six miles away.
10-02-18, 10:11 AM
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It's better than nothing, Shoe Goo and Super glue will actually adhere the sides of the tire together, lessening the chance of it ripping or separating more.
Member the good old standby in an emergency. US dollar bills placed aver a cut on the inside will get you home in a pinch.
Member the good old standby in an emergency. US dollar bills placed aver a cut on the inside will get you home in a pinch.
10-03-18, 08:19 AM
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Just a thought - Should the overall balance of the tire be also considered? Wouldn't applying Gorilla tape and/or cut out of inner tube make the tire out of balance by making the damaged area heavier
10-03-18, 08:34 AM
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Bike tires just don't have enough mass, nor spin fast enough to make balance an issue.
10-03-18, 09:13 AM
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10-03-18, 09:48 AM
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I recently had a puncture from a glass. It made a cut (around 4-5 mm) on the tyre. After inflating I found the cut opens up. So did some research but didn't find any clear solution. Solutions like shoe goo, super glue came up, but I didn't go ahead with them.
I had some inner tube patches lying around. I cleaned up the inner area around the cut and applied the patch meant for inner tube. Also, applied little glue (the one which comes with the patch kit), on the outside tyre.
Is there any drawbacks of this? Is there a better solution for tyre cuts
The intension is to prevent the cut from growing and stopping any dirt/water from getting in.
Thanks
I had some inner tube patches lying around. I cleaned up the inner area around the cut and applied the patch meant for inner tube. Also, applied little glue (the one which comes with the patch kit), on the outside tyre.
Is there any drawbacks of this? Is there a better solution for tyre cuts
The intension is to prevent the cut from growing and stopping any dirt/water from getting in.
Thanks
10-09-18, 10:07 PM
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They make super glue that contains rubber specifically for tire repair.
https://www.amazon.com/IC-2000-20-45.../dp/B002N4WCR0
However, I've patched tires using inner tube patches and it works great.
https://www.amazon.com/IC-2000-20-45.../dp/B002N4WCR0
However, I've patched tires using inner tube patches and it works great.
10-10-18, 07:33 AM
#16
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Like others stated.. I have great luck with a piece of gorilla tape. I have a few rounds on my pump. I don't think I have a tire that doesn't have at least one piece. For tubeless tires I use a standard tube patch instead, the gorilla tape works but doesnt last and wrinkles up from being constantly in the liquid sealant. I've tried just glue on a slit from the outside with rubber cement and super glue. They work but in my experience, not more than a days riding..
10-11-18, 03:13 AM
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Tires are a composite of a fabric structure encased in rubber. They provide the structural strength.
Tubes are merely air-proof liners with marginal structural strength. This makes tube patches a kinda-sorta option for patching tire cuts. Tube patches need to be stretchy to work with the tube, tires can't be (more than marginally) stretchy.
If the cut is small enough not to reduce the structural strength of the tire, tube patches will do a decent job of preventing road grime from making its way into the tire.
If the cut is big enough to open up, make the tire bulge around the cut under pressure, then a tube patch is unlikely to work well.
I might try just about anything as a roadside fix to make it back. But any damage spotted at home that includes the casing gets treated with something with limited stretch. Non-Woven, nylon fabric etc laminated in with Liqui-Sole.
Gorilla tape and all its kin is a very effective ride-saver. Had a more than inch long sidewall gash on my last mtb ride. A length of tape running from bead to bead(and over the bead, to the outside, for extra fixation) let me finish the ride.
Tubes are merely air-proof liners with marginal structural strength. This makes tube patches a kinda-sorta option for patching tire cuts. Tube patches need to be stretchy to work with the tube, tires can't be (more than marginally) stretchy.
If the cut is small enough not to reduce the structural strength of the tire, tube patches will do a decent job of preventing road grime from making its way into the tire.
If the cut is big enough to open up, make the tire bulge around the cut under pressure, then a tube patch is unlikely to work well.
I might try just about anything as a roadside fix to make it back. But any damage spotted at home that includes the casing gets treated with something with limited stretch. Non-Woven, nylon fabric etc laminated in with Liqui-Sole.
Gorilla tape and all its kin is a very effective ride-saver. Had a more than inch long sidewall gash on my last mtb ride. A length of tape running from bead to bead(and over the bead, to the outside, for extra fixation) let me finish the ride.
10-13-18, 12:32 AM
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Another vote for Gorilla tape. Works a treat, and lasts a long time as a tire boot!
10-13-18, 02:52 AM
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I carry these: https://www.parktool.com/product/eme...tire-boot-tb-2
I once had a sidewall slashed open by a rock, leaving a hole I could put my thumb through.
I didn't think the boot could handle a hole that bad, but it got me home, six miles away.
I once had a sidewall slashed open by a rock, leaving a hole I could put my thumb through.
I didn't think the boot could handle a hole that bad, but it got me home, six miles away.
Upon first trying it, the boot bumped with every tire revolution.
So, I took it out and cut it in half and put it back in.
About 500 miles later, the boot wore through the tube. So, I taped the edges down with electrical tape, and another 500 miles, and the boot literally disintegrated (plus, I think the hole wore through the boot, and started eating into my tube).
The edges on those boots are square not tapered.
Anyway, those are designed as temporary boots to get a person home, and not for long-term use.
As far as patches, you can buy Radial Tire patches that are designed specifically to go over holes in tires. I did one once on a tire with moderate sidewall damage, and it lasted well, although I think I did get some minor bulging, so it wasn't as strong as I had hoped, but it did the trick.
One user recommends using sail cloth remnants from a sailing shop... I need to track some down someday to try.
10-13-18, 08:31 AM
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I had a cut, maybe 3/8" in one almost new tire, so I decided to try one of the Park boots.
Upon first trying it, the boot bumped with every tire revolution.
So, I took it out and cut it in half and put it back in.
About 500 miles later, the boot wore through the tube. So, I taped the edges down with electrical tape, and another 500 miles, and the boot literally disintegrated (plus, I think the hole wore through the boot, and started eating into my tube).
The edges on those boots are square not tapered.
Anyway, those are designed as temporary boots to get a person home, and not for long-term use.
Upon first trying it, the boot bumped with every tire revolution.
So, I took it out and cut it in half and put it back in.
About 500 miles later, the boot wore through the tube. So, I taped the edges down with electrical tape, and another 500 miles, and the boot literally disintegrated (plus, I think the hole wore through the boot, and started eating into my tube).
The edges on those boots are square not tapered.
Anyway, those are designed as temporary boots to get a person home, and not for long-term use.
Any time I get damage bad enough to need a boot, I plan to replace the tire as soon as I get home.
10-13-18, 03:45 PM
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You sure?
When I was working in a shop I installed a LOT of bike computers. I always wanted to mount the wheel magnet on the lightest part of the wheel so I'd spin the wheel to find where it stopped. Almost always the valve stem was the light point of the wheel.
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10-13-18, 03:58 PM
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Maybe it is the lead valve stem caps I use.
10-13-18, 04:06 PM
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I had a cut, maybe 3/8" in one almost new tire, so I decided to try one of the Park boots.
Upon first trying it, the boot bumped with every tire revolution.
So, I took it out and cut it in half and put it back in.
About 500 miles later, the boot wore through the tube. So, I taped the edges down with electrical tape, and another 500 miles, and the boot literally disintegrated (plus, I think the hole wore through the boot, and started eating into my tube).
The edges on those boots are square not tapered.
Anyway, those are designed as temporary boots to get a person home, and not for long-term use.
As far as patches, you can buy Radial Tire patches that are designed specifically to go over holes in tires. I did one once on a tire with moderate sidewall damage, and it lasted well, although I think I did get some minor bulging, so it wasn't as strong as I had hoped, but it did the trick.
One user recommends using sail cloth remnants from a sailing shop... I need to track some down someday to try.
Upon first trying it, the boot bumped with every tire revolution.
So, I took it out and cut it in half and put it back in.
About 500 miles later, the boot wore through the tube. So, I taped the edges down with electrical tape, and another 500 miles, and the boot literally disintegrated (plus, I think the hole wore through the boot, and started eating into my tube).
The edges on those boots are square not tapered.
Anyway, those are designed as temporary boots to get a person home, and not for long-term use.
As far as patches, you can buy Radial Tire patches that are designed specifically to go over holes in tires. I did one once on a tire with moderate sidewall damage, and it lasted well, although I think I did get some minor bulging, so it wasn't as strong as I had hoped, but it did the trick.
One user recommends using sail cloth remnants from a sailing shop... I need to track some down someday to try.
10-13-18, 04:10 PM
#24
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Cutting up an old cheap Sew-up tire is a very good boot source.
gaffers tape is good , the fabric backs up cut casing threads..
Hypalon .. Zodiac boats are made from it,
and Park sells a packaged tire boot swatch,,
...
gaffers tape is good , the fabric backs up cut casing threads..
Hypalon .. Zodiac boats are made from it,
and Park sells a packaged tire boot swatch,,
...
Last edited by fietsbob; 10-13-18 at 04:14 PM.
