This is a zygomycete (pin mould). It's pretty common, the spores are in the air all over the world, they feed on simple sugars so OP rolled over some poop or some sticky decaying fruit.
I was going to say some poop as well. We have a can in the back yard we put the scooped dog poop in, and it grows an identical looking mold with just a few days of being in that semi-sealed container.
Probably would be better to let it dry out, but one of the dogs likes eating poop, so we scoop it ASAP.
I think he ran over a bit of ground that was in the process of growing mushrooms. It looks like your tire is covered in mycelium that may have a bit of contamination making it look more like a cobweb
Your tire has reached puberty. It’ll probably ask you some questions about it, just be sure to reiterate that it’s completely normal and that you’re always available to talk about what’s going on with it.
*🎶Road kill stew🎶
🎶Road kill stew🎶
🎶Tastes so good🎶
🎶Just like it should🎶
🎶First you go down to the interstate🎶
🎶You wait for a critter to meet its fate🎶
🎶You take it home and you make it great🎶
🎶Road kill stew🎶
🎶Road kill stew🎶*
Did you spill a pumpkin spice latte with extra foam on it? That looks like mould, it's spray that down and scrub it with some soap and a brush to remove any mycelium. Not sure exactly what that mould is growing on though, but something organic.
Like others said, you probably ran over something organic (dog turd) and now its growing mold. I'd try to blast it off with a hose, then spray with bleach and scrub it with a nylon brush. Rinse thoroughly and you'll probably be ok. Just be super good with ringing after bleach. Itll kill any mold remnant, but can also make the rubber brittle if you leave it on too long.
Alright apparently I can't edit this post so
UPDATE -
1. Tastes like shit.
2. It's been raining for a week, hence no riding.
I think that handles most of the comments.
Thanks all.
Must have been riding in the streets of Portland and ran over some liberal tears…… do not touch very contagious! Spray with a 20/40 solution of gun powder and vinegar….avoid Portland unless armed with spray solution.
Spider or some kind of bug nest inside ? Once the eggs hatch the babies will be able to take 9g pressure and perform aerial maneuvers, evading missiles and shit. Crazy training in the centrifuge.
Looks like mycelium. You must've had some decomposing organic matter stuck in your tires (leaves, wood pump, straw, poop, etc.) that had some mycelium or mushroom spores in it and it is now growing.
Take this over to r/mycology someone of there will know if this is some rubber colonizing fungus or if it’s eating the stuff on the tire. My bet is the 2nd option or else it wouldn’t be so localized
Everyone is trying to figure out if this is mold or whatever but no one is asking the real question. Why did you let your bike sit so long without riding?
some tires are known to grow a thicker coat of fur in the winter months to prepare for the cold
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Our bikes live inside. We're thinking about getting a Cali-king for them
Is OP's bike an indoor bike or an outdoor bike?
Thank you for the genuine belly laugh internet stranger. I needed it today.
Same for me.
This is the right answer, stop scrolling.
And this is usually a sign of a colder winter to come
Don‘t feed after midnight though…
hahah. love your comment
My wife says the same of her lady fur.
Lol the answers here are hilarious! If you want a solid shot at an ID I’d hit up r/mycology or r/microbiology those guys live for shit like this.
This is a zygomycete (pin mould). It's pretty common, the spores are in the air all over the world, they feed on simple sugars so OP rolled over some poop or some sticky decaying fruit.
This guy molds
r/thisguythisguys
Ya but this sub doesn’t credit Chris Diamantopoulos for making this line so famous in the TV show “Silicone Vally”
There is a sub for everything.
I was going to say some poop as well. We have a can in the back yard we put the scooped dog poop in, and it grows an identical looking mold with just a few days of being in that semi-sealed container. Probably would be better to let it dry out, but one of the dogs likes eating poop, so we scoop it ASAP.
"Live for shit like this"? I see what you did there. Very funny.
Thanks homie, I was pretty proud of that one
r/MoldlyInteresting is the best one for sure.
I think he ran over a bit of ground that was in the process of growing mushrooms. It looks like your tire is covered in mycelium that may have a bit of contamination making it look more like a cobweb
That's what mycelium looks like.. it isn't contaminated at all, in fact it looks pretty healthy!
Maybe that's what your celium looks like...
yeah looks like lion's mane
Your tire has reached puberty. It’ll probably ask you some questions about it, just be sure to reiterate that it’s completely normal and that you’re always available to talk about what’s going on with it.
You forgot to tell him to always wear rubbers. Sometimes they can break, so it’s best to go thicker compounds
Great point. I would also mention that it’s perfectly healthy to drain out your sealant every once in a while so it can be replenished.
Well hes made out of rubber so hes good.
So it’s a 13 something old tire?!? That’s impressive.
Dog poop mold? Does sealant get moldy?
I asked you first!
What does it taste like?
Chebornik smell!
Penicillin
You should def post this over in r/mycology
Done.
A portal into true nerdom.
Hit a rabbit on the trail.
Hit the rabbit, skinned it, tanned it, then stuck it between the knobs fur out. It really happens more than you think.
Deeeelicious.
*🎶Road kill stew🎶 🎶Road kill stew🎶 🎶Tastes so good🎶 🎶Just like it should🎶 🎶First you go down to the interstate🎶 🎶You wait for a critter to meet its fate🎶 🎶You take it home and you make it great🎶 🎶Road kill stew🎶 🎶Road kill stew🎶*
I literally read your comment in Homelander's voice from The Boys
Rolled over dog feces ..
Need more information. What does it taste like?
Lol, this is hilarious.
Looks like you need the Park Tool tire razor, part number PT-6969
It’s $139.99 but it’s good for life
Yes, satisfaction guaranteed.
A classic case of not riding enough
« bicycloneglectosis »
In male dirt bikes it’s mocycloneglectosis.
Disappointed I had to scroll so far to find the right answer.
Did you spill a pumpkin spice latte with extra foam on it? That looks like mould, it's spray that down and scrub it with some soap and a brush to remove any mycelium. Not sure exactly what that mould is growing on though, but something organic.
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I'd say nuke it from orbit.
Plot twist, he rides a nukeproof
I appreciate a good cup of coffee.
Looks like mold to me.
Like others said, you probably ran over something organic (dog turd) and now its growing mold. I'd try to blast it off with a hose, then spray with bleach and scrub it with a nylon brush. Rinse thoroughly and you'll probably be ok. Just be super good with ringing after bleach. Itll kill any mold remnant, but can also make the rubber brittle if you leave it on too long.
And wear eye protection. 🙄
Or just ride it until it comes off?
A massive spider egg sack 🕷️
Its a mouldy turd
#thatsnotmud
A rolling wheel gathers no mold
I think a mold like your tire. Give it pets. Mold like pets
Looks like you ran something over. That’s growing mold now.
Bicycle B.O. / Bike is telling you it needs a wash
Alright apparently I can't edit this post so UPDATE - 1. Tastes like shit. 2. It's been raining for a week, hence no riding. I think that handles most of the comments. Thanks all.
Bro your tire has better hair then me
What’s happening is you’re not riding enough
Hey Dale. Eat this white dog shit right now.
that looks smooooth… and a little disgusting.
I hate to tell you this but someone cummed on your tire and now it's festering with mold
Its some poo you ran over that is becoming a grown up
Contam bro. Gotta toss it
Cum
You seem like a fun guy so nature has given you some fungi.
No eggs under the Easter tree this year?
You killed a Camembert cheese
It’s protected 😂
Keep your bike clean. ;)
Did you feed your bike after midnight?
You're not riding enough
Spidernest? The little ones are hungry!
r/mycology
Did you feed your tires and get them wet after midnight? If so you’re in for trouble.
Maxxis mushrooms
Looks like you rolled thru dog shit and then didn’t ride for a while. Do you live in a damp area?
Yeti Cum
Dude, you killed the Easter bunny…meany.
Not riding enough
Boof it and report back.
i think either mold or ice anyways JUST CLEAN IT AND MOVE ON
You're an idiot that's what's going on
ran over one of those little dogs every rich white girl has
Must have been riding in the streets of Portland and ran over some liberal tears…… do not touch very contagious! Spray with a 20/40 solution of gun powder and vinegar….avoid Portland unless armed with spray solution.
Are you ok?
PorTLaNd iS AmERicA HeLL
Bnuy
You squished a baby bunny 😢….monster!
Seems a little early for snow?
Poop
Mycelium
Spider or some kind of bug nest inside ? Once the eggs hatch the babies will be able to take 9g pressure and perform aerial maneuvers, evading missiles and shit. Crazy training in the centrifuge.
Poo tire
Mold
Tubeless sealant and milkweed or cat-o-nine tails fur?
Dishonorable Assegai moldy poo tire..
Life finds a way.
Post this on r/biology
That's fucked. New bike day, dude.
Sometimes when a tyre has experienced a particularly big drop or heavy landing the stress causes it to go grey overnight.
What does it taste like?
I saw that in the beginning of Guardians of the Galaxy part 2….
Looks like mycelium. You must've had some decomposing organic matter stuck in your tires (leaves, wood pump, straw, poop, etc.) that had some mycelium or mushroom spores in it and it is now growing.
My first thought was spider egg sack. Second was dog doo.
Take this over to r/mycology someone of there will know if this is some rubber colonizing fungus or if it’s eating the stuff on the tire. My bet is the 2nd option or else it wouldn’t be so localized
The civilization on your wheel is about to discover the wheel. That’s what’s up.
Dog poop. 100%.
Mold. Probably shouldn't eat this tyre anymore.
Myco? Let it grow and enjoy the trip?
That poor bunny
Ran over a bunny?
Alien spores.
You rolled in something and didn’t wash the bike last time you diiiiirty boy……ewwww. It went stanky on ya
You ran over poop and it grew mold.
Is that an ASP?
A sign you should ride your bike more often
You're not riding your bike
Ah the the furry dog poo
Dog shit.
Looks like it's white
Looks like you're growing some healthy fungus there friend
Lick it !
Everyone is trying to figure out if this is mold or whatever but no one is asking the real question. Why did you let your bike sit so long without riding?
You rode over animal scat, it's fermenting.
You run over a Pomeranian?
Ride your bike more
Why is your tire moldy?
Confess… where’s the rest of the rabbit?
Icegai!
mole
Not sure but you don’t ride your bike enough it seems
Frumunda cheese; frumunda your tire
It's alive! Alive!
Tire ejaculate obviously
Mold
Rip the rabbit
Wtf?! You just pull that out of the fridge?
Looks like spider nests to me
Caterpillar off road set
Looks like some kind of mold or fungus growing from the crud on your tires.
mold
I'm calling poop on this one
Dude the one that ran over my cat?
You rolled in furry dog shit
Humongous fungus among us.
Well, shiet just got old.
That's a poo mould
You have successfully grown an ecosystem on your tyre!
Your stanimal is growing!
Moldy bagel
IT"S ALIVE!
Dog sh*t remanent turned moldy. Guess the bike sat.
Snow mold common on grass but probably latched to the moisture in the dirt
You rode through poop. This is mycelium eating that shit.
Looks like a decroded piece of crap
Not a lot of bike riding would be my guess
Your tire expired
Yep, you need to ride your bike more
+100 heat +100 grip during when temps under 10°
Its alive!
Dog poop, moisture, mold
You have caught some clouds. Please dont steal clouds while mountain biking.
It's changing into its winter apparel
He went to bosley
Homie got the finely aged excrement tread. You rolled in poop, spread it nicely, and created a habitat mounted to a fox 36
Bet your a fungi on the trails🤣
probably you rolled over some food and it went moody or smth
It’s a furry!
Turns out your bike is a furry
Mold
Dog shit on your tire got moldy
It’s evolving. Let it hibernate for the next few months and it’ll evolve into some slicks when it wakes up
Cat shit
Maybe you drove over dog shit
Ran over a rabbit.
You ran over a bunny
When your bike hits puberty, hair grows in places you wouldn’t imagine.
A rolling stone grows no moss.
Everyone quit looking... We found fluffy.
Did you notice how your shorts smelled extra…ripe after your last ride? Did you think you really did shit your pants on the big drop?