Is this Compass tire usable?

[Ash]

Tire experts,

I mounted Compass Babayshoe Pass (EL) tires tubeless couple of months ago on my Rivfied road bike.  They were a joy to ride for sure.  Unlike anything!!  

Sadly, yesterday the rear tire deflated suddenly within a second while riding in my neighborhood.  Probably would have crashed if not for the slow speed.  The tire had a tear that was way beyond what the sealant could handle.  Boy, were these tires an expensive experiment!

I have attached a few macro shots of the damage area.  Is this tire safe to ride if I use it with inner tube?  Also, is there way to fix the tear? Some kind of adhesive or patch from inside?  Is there such a thing?

Funny how 'no going back' situation turned into 'can't wait to go back' :)

[Ash]

Oh and it is worth mentioning, this tire has less than 100 miles.

[John McBurney]

I’m not a tire expert but I do have Compass tires on 4 bikes and run 28 c tubies  on the fifth. If it was me I doubt I’d run it. But let me say that I had a very similar tire destruction running Marathon Supremes commuting through the SE warehouse district in Portland. It lead me to adopt really stiff and slow tires like the Marathon Plus. I was shocked when I took them off just how heavy they are. And crazy stiff. 

I’d just replace it and hope for better luck. Run a boot and tube till then. 

John  

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[Eric Norris]

You could put a tube patch on the inside of the tire itself. Park Tool makes a large, self-adhesive patch specifically for this purpose:

https://www.parktool.com/product/emergency-tire-boot-tb-2

You could also try a layer or two of gaffer’s tape: https://www.amazon.com/dp/B01JQKP0L8/ref=cm_sw_em_r_mt_dp_U_5v-gDb2AVRSJW  

I would try this before I threw the tire away. Compass tires are too expensive not to try!

P.S. I have had trouble in the past with other tires tearing once a hole like this gets started, but not Compass or Grand Bois.

--Eric Norris
campyo...@me.com

@CampyOnlyguy (Twitter/Instagram)

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<P1020617.jpg><P1020626.jpg><P1020614.jpg><P1020611.jpg>

[ted]

If you have (or can lay your hands on) a worn out tire, cut a fair sized piece of casing from it and glue it to the inside of the tire with contact cement. Should be fine with a tube. Regarding tubeless I’m ignorant but it might work fine that way too as long as the doner tire is tubeless compatible.

[Deacon Patrick]

Absolutely. I've patched EL's with a glued in tire boot from the inside (or a patch from the inside, as someone already mentioned) and run them the full life of the tire without issue.

With abandon,
Patrick

[Kainalu V. -Brooklyn NY]

If you're using it tubeless, you can just stick a repair worm in there and you're back at it in a flash. I get those massive holes fairly often and the worms work every time. This is the one I use-

https://www.rei.com/product/144726/lezyne-tubeless-patch-kit

-Kai

[Andreas]

I have used the park tool patch on 7 compass/rh tires so far.

While it works, it also tells you something about the tires.

Which reminds me, I have about 11 ripped unusable compass/rh tires in the shed - is there a reasonable way to recycle them?

This year I have moved on to different tires. There is a new endurance version of compass now that may last longer.

[Patrick Moore]

Andreas and Ash: Curious: what RH models are you talking about, and what were the riding conditions in which they got slashed or ripped?

Andreas: were all of your RH tires extra light models?

Both: were you (plural) riding on surfaces that included sharp stones or gravel?

Thanks.

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Alburquerque, Nuevo Mexico, Etats Unis d'Amerique

[Ash]

Mine are EL Compass Babyshoe Pass's.   I have ridden them only on well maintained neighborhood roads.  I have never seen anything like broken glasses on those.  There are no potholes either.

Following useful suggestions I received on this thread, I removed the tires, wiped them clean of the orange sealant and stuck a small piece of Gorilla tape in the damaged area from inside.  Mounted them with inner tubes.  Couple of hundred miles since then without any trouble.     

On Monday, 29 July 2019 14:49:44 UTC-4, Patrick Moore wrote:

Andreas and Ash: Curious: what RH models are you talking about, and what were the riding conditions in which they got slashed or ripped?

Andreas: were all of your RH tires extra light models?

Both: were you (plural) riding on surfaces that included sharp stones or gravel?

Thanks.

On Sun, Jul 28, 2019 at 11:29 PM Andreas <andrea...@gmail.com> wrote:

I have used the park tool patch on 7 compass/rh tires so far.

While it works, it also tells you something about the tires.

Which reminds me, I have about 11 ripped unusable compass/rh tires in the shed - is there a reasonable way to recycle them?

This year I have moved on to different tires. There is a new endurance version of compass now that may last longer.

On Tuesday, July 2, 2019 at 6:41:16 PM UTC-4, Ash wrote:

Tire experts,

I mounted Compass Babayshoe Pass (EL) tires tubeless couple of months ago on my Rivfied road bike.  They were a joy to ride for sure.  Unlike anything!!  

Sadly, yesterday the rear tire deflated suddenly within a second while riding in my neighborhood.  Probably would have crashed if not for the slow speed.  The tire had a tear that was way beyond what the sealant could handle.  Boy, were these tires an expensive experiment!

I have attached a few macro shots of the damage area.  Is this tire safe to ride if I use it with inner tube?  Also, is there way to fix the tear? Some kind of adhesive or patch from inside?  Is there such a thing?

Funny how 'no going back' situation turned into 'can't wait to go back' :)

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[lambbo]

Ive had 3 compass standard casing tires (barlow, steilacoom) tires blow out on the sidewall just from...wear and tear? Including today far from home.  I keep my bike outside, so they get sun, but they were not tears from gravel or anything (never had a normal flat on my compass tires in NYC or riding trails...just these sidewall blowouts). 

Moving on to something more sun-worthy for my commuter. 

[Wilson Wilson]

Yes, yes it is. You do not need anything fancy. Cheap rubber patch kit and rubber cement. I am referring to the kinda kit you find in the gas station, not the ones with the orange edging or the green Slime brand ones. Just plane jane rubber patch kit. Cut patch to size, rubber cement onto patch let dry to tack, rubber cement inside tire let dry to tack. Do not scuff the inside of the tire!! Rubber cement and patch only.

[Andreas]

On Monday, July 29, 2019 at 2:49:44 PM UTC-4, Patrick Moore wrote:

Andreas and Ash: Curious: what RH models are you talking about, and what were the riding conditions in which they got slashed or ripped?

700 x 32/35/38

650b x 48 

My experience is exclusively on Northern New England dirt roads,

Andreas: were all of your RH tires extra light models?

 

8 extralight, 3 not.

They all get the same cuts as described by the OP, the EL get in addition the side wall rips.

No experience with the newer endurance models that are JH acknowledgement that the other models are prone to problems. Hence TK waited for that model to actually use them.

Both: were you (plural) riding on surfaces that included sharp stones or gravel?

 

Northern New England dirt. No gravel (frankly i would have no interest riding on gravel). Very few sharp stones. Some roots.

Hilly though. Typically 1,000 - 1,500 ft climbing per 10 miles. That goes along with moderately fast descends on dirt roads.

When exactly the cuts and rips occur I cannot tell as I only inspect tires before or after rides.  Only had one incident where the inner tube herniated through the side wall rip and burst, luckily the rear wheel. It happened on a downhill at roughly 35mph, but I do not know when the actual rip occurred.

Rode them tubeless as well a bit. As an additional feature, it added the famed sealant thirst (SBH) to the cut and rip issues.  They gobbled up orange sealant like not other tire every and it leaked through the porous side wall.  While JH offered to exchange them and claimed it to be a rare occurrence, my discussions with other locals riders tell a different story.

They are nice riding tires though which I stuck with them longer than I should have.  I have moved on by now.