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Tyre cutting help please

jonKranked

Detective Dookie
Nov 10, 2005
85,985
24,535
media blackout
My information comes from actually purchasing tires at the OEM level for automotive production and dealing with the engineers.

The process involves "How do we get your great looking tire x at price y?" The answer usually involves "We use the ****ty rubber and scraps off the floor."
because bike tires are produced in the same quantities as car tires :rolleyes:

hey while we're at it let's discuss why dirtbikes cost the same as dh bikes.
 

bizutch

Delicate CUSTOM flower
Dec 11, 2001
15,928
24
Over your shoulder whispering
Those won't work too well for flattening edges on the sides of knobs will they?

I have a hard time picturing scissors getting flat enough along the casing.
My thing with that is that the real benefit of a true tire cutting tool is to knock off the rounded bit on the throttle side of rear moto tires. Anything else more intensive than that when it comes to tiny MTB knobs gets kind of like splitting hairs to me.

People generally either want to take a knob OUT, cut it short (both done with end cutters) or SIPE (done with snips/FISKARS).

the cut you're describing I think goes back to just buying an altogether different tire.
 

kidwoo

Artisanal Tweet Curator
My thing with that is that the real benefit of a true tire cutting tool is to knock off the rounded bit on the throttle side of rear moto tires..
Which is the exact same thing as cutting off ramped climbing edges on a bike tire.

Anything else more intensive than that when it comes to tiny MTB knobs gets kind of like splitting hairs to me.

People generally either want to take a knob OUT, cut it short (both done with end cutters) or SIPE (done with snips/FISKARS).

the cut you're describing I think goes back to just buying an altogether different tire.
Here's the thing. I love running tubeless on my trail bike and my 7" shuttle pounder bike. As it stands the only tires I've ever gotten to stay in one piece on the rear are dh casings. Not a big deal on the 7" bike but for my trail bike, I want something not too big, and something made of hard rubber so it rolls fast. 2.35 maxxis dh tires are the only ones I know of that fit that bill. Those are high rollers and DHFs......both have ramped climbing edges. And both get kinda slippery mid summer here when it hasn't rained in months and we're pedaling up dust. If you know of any other options please god let me know but that's why I'm cutting ramped edges and that's why I'm likely to keep doing it. But maxxis is the only company I know of still making hard dh tires and the 2.35s they make are the only ones I know of that aren't huge.

As far as 'why people cut tires' I'm aware of why they do it because I'm one of them. ;) I don't like it and certainly buy other tires when I can but in this one instance, I'm kinda stuck.
 
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kidwoo

Artisanal Tweet Curator
I've got a pair of brand new El Moco 2.1 in UST construction if you want them. They are 800+ g. I would love to try them but am riding wagon wheels now because I'm lame.
Aw man
I literally just blew up a 2.1 BBG UST on my trail bike last night on its first day of being alive. Jesus punishes me every time I stick a non dh tire back there and try to run it tubeless. Unfortunately not a good alternative for a rear.
I could see it for a front for sure though.
Shoot me a pm if you're serious.
 
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buildyourown

Turbo Monkey
Feb 9, 2004
4,832
0
South Seattle
If you know of any other options please god let me know but that's why I'm cutting ramped edges and that's why I'm likely to keep doing it.
Hans Dampf 2.35 Pacestar Super Gravity?

I have idea what the actual size is or how stiff the sidewall is. I know the Schwalbes tend to run wider. The 2.5 Muddy Mary is huge.
 

kidwoo

Artisanal Tweet Curator
Hans Dampf 2.35 Pacestar Super Gravity?

I have idea what the actual size is or how stiff the sidewall is. I know the Schwalbes tend to run wider. The 2.5 Muddy Mary is huge.
What's the deal with super gravity things? Are those dh tires or some other neutered thing like everyone else is making. I'm not buying a mans cramp because that tread design is insane but the weight looks good on those casings (IE bad weight so probably tough)
 

Beef Supreme

Turbo Monkey
Oct 29, 2010
1,434
73
Hiding from the stupid
What's the deal with super gravity things? Are those dh tires or some other neutered thing like everyone else is making. I'm not buying a mans cramp because that tread design is insane but the weight looks good on those casings (IE bad weight so probably tough)
Dh weight side walls with a freeride weight casing under the tread. That is how I understand it anyway.
 

buildyourown

Turbo Monkey
Feb 9, 2004
4,832
0
South Seattle
What's the deal with super gravity things? Are those dh tires or some other neutered thing like everyone else is making. I'm not buying a mans cramp because that tread design is insane but the weight looks good on those casings (IE bad weight so probably tough)
I haven't seen them in the flesh. I was inferring the same as you, 900g+ weight must be pretty beefy.
I'd try one. I've tried the MM and the Wicked Will. Both were pretty damn good.
 

bizutch

Delicate CUSTOM flower
Dec 11, 2001
15,928
24
Over your shoulder whispering
Which is the exact same thing as cutting off ramped climbing edges on a bike tire.



Here's the thing. I love running tubeless on my trail bike and my 7" shuttle pounder bike. As it stands the only tires I've ever gotten to stay in one piece on the rear are dh casings. Not a big deal on the 7" bike but for my trail bike, I want something not too big, and something made of hard rubber so it rolls fast. 2.35 maxxis dh tires are the only ones I know of that fit that bill. Those are high rollers and DHFs......both have ramped climbing edges. And both get kinda slippery mid summer here when it hasn't rained in months and we're pedaling up dust. If you know of any other options please god let me know but that's why I'm cutting ramped edges and that's why I'm likely to keep doing it. But maxxis is the only company I know of still making hard dh tires and the 2.35s they make are the only ones I know of that aren't huge.

As far as 'why people cut tires' I'm aware of why they do it because I'm one of them. ;) I don't like it and certainly buy other tires when I can but in this one instance, I'm kinda stuck.
Ironically, you're describing the scenario and design of the exact tire I run almost exclusively on my trail bike. 2.2 Comp 24 Michelin DH. I'm down to the last one I know of in existence, unless Cecil still has one hidden in his basement. I accidentally found mine in a shed at my dad's house behind some boxes.



Isn't the Intense 909 similar?
 

bizutch

Delicate CUSTOM flower
Dec 11, 2001
15,928
24
Over your shoulder whispering
You know 2002 came and went right?



Man that rubber's gotta be useless by now. I thought the 909 was that comp32 lookin thing.
I thought it would be dry rotted to Hades, but it was perfecto. The Intense I was looking at was the MTB Edge. But good luck ever determining what an Intense Tire is going to do under throttle:

 

kidwoo

Artisanal Tweet Curator
Why don't you use the DHR2 you have been raving about? Should have better driving traction, especially de-ramped like that, shouldn't it?
1. There's no 2.35(old measuring, more like a 2.1) dh casing. Or even a (new sizing) 2.3 dh casing. The 2.4 dh versions are too big and heavy.

2. Cutting the climbing edges on a DHR would be way harder. This is enough of a pain in the ass.

3. Most of the reason the DHR2 is so good is because it has the same sideknobs as this one, just better braking edges.

edit: just to be clear, this is my trail bike, not the biggin
 
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Sonic Reducer

Monkey
Mar 19, 2006
500
0
seattle worshington
the tire cutting I have done on DHF minions and highroller 1's mainly was just trying to get a sharp edge back on the tread because I was too broke to buy new tires. i think my car's tires cost less. definitely is not a cool reason to do a "custom tread cut" but a guy's gotta do what a guy's gotta do. I checked where the wear was and sharpened them. worth the time? a solid maybe.
next time I have a dull but not destroyed tire I will do a back to back comparison with a cut and report my findings.
 
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