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DH Tires and Pressures

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sspomer

Vital MTB member sspomer
2 sspomer http://p.vitalmtb.com/photos/users/2/avatar/c50_Screen_Shot_2015_03_09_at_2.10.12_PM_1425936051.jpg?1425935424 http://www.vitalmtb.com/community/sspomer,2/all 06/26/09 1349 140 14168 1697 http://www.vitalmtb.com/community/sspomer,2/setup 196 965 10 2198 15 27

Posts: 1161

Joined: 6/26/2009

Location: Ventura, CA USA

Administrator

1/10/2011 7:38 AM
Edited Date/Time: 1/10/2011 7:42 AM

so what are you all running for DH tires and pressures? do you set it and forget it or do you adjust according to conditions and locations?

i'm on specialized butch 2.3's front and rear with 26 rear and 25 front. i haven't ridden any serious DH in a little while, but the combo worked great at solvista with the rocks and rough as well as the groomers like silky J.

PIRATE

Vital MTB member PIRATE
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Posts: 21

Joined: 4/2/2010

Location: Westerville, OH USA

1/10/2011 7:48 AM
Edited Date/Time: 1/10/2011 10:43 AM

Maxxis Minion DHF 2.5 UST for Dry/Moist
Front 26 and rear 28psi- Usually set it and forget it

Swamp Thing UST for Mud- a bit lower in the psi

Mainly riding/racing Snowshoe WV- Mud, Rocks,Roots, Hardpack

whitetux

Vital MTB member whitetux
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Posts: 9

Joined: 1/15/2010

Location: Edinburgh, GBR

1/10/2011 7:52 AM

I mainly use Maxxis High rollers and run around 30 in the back and 25 up front to avoid punctures, but still maintain grip (for fort william downhill or other tracks which you are more likely to puncture at then add an extra 5 psi in each tyre).

For wet conditions I'll use spiked tyres (cut wetscream or similar) and run maybe 25 in the back and 20 in the front.

pholange

Vital MTB member pholange
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Posts: 1

Joined: 6/15/2010

Location: Albuquerque, NM USA

1/10/2011 8:23 AM

trail riding/all mouontain winter in the sandia mountain foothills, as well as white mesa... purgatory 2.4s front and rear on enduro at 35-40 psi, cuz pinch flats are common on the granite based terrain. also run 2.3 prowlers on more mellow terrain... same pressure. i seem to have learned that more pressure ends up being better in these environs (central new mexico)... washouts cuz of dryness are always a consideration with decomposing granite bbs... choose your battles...

his dudeness

Vital MTB member his dudeness
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Posts: 8

Joined: 12/30/2010

Location: San Jose, CA USA

1/10/2011 8:47 AM

Currently running Spesh Hillbilly 2.3 dh with 32 in the rear and 28-30 in the front. I'm a big guy and ride with a rearward weight bias so a little extra in the back works for me.

Who wants to make robot costumes?

jptree

Vital MTB member jptree
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Posts: 23

Joined: 4/14/2010

Location: Reno, NV USA

1/10/2011 10:06 AM

For the winter it's Kenda Nevegal 2.3's F/R 40 psi each... good all around choice. Over the summer, I ride primarily at Northstar (anyone who's ridden there knows how dusty it is).

Front: 2.5 Maxxis Minion DHF at 30 psi
Rear: 2.5 Maxxis Swampthing at 32 psi

That Swampthing HOOKS in the dust!

"You want a toe? I can get you a toe. There are ways dude, you don't want to know about it. Hell, I could get you a toe by 3 o'clock this afternoon... with nailpolish."

daisycutter

Vital MTB member daisycutter
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Posts: 4

Joined: 5/2/2010

Location: New York, NY USA

1/10/2011 10:18 AM

For Diablo
Front: 2.5 Maxxis Minion DHF at 28-30 psi
Rear: 2.3 Kenda Nevegal 2.3's at 30-32 psi

For Platty
Front: 2.5 Maxxis Minion DHF at 26-28 psi
Rear: 2.3 Kenda Nevegal 2.3's at 28-30 psi

If its wet lower end of the scale; higher if its dry like most of last year . Unusual for the east coast

wyomingone

Vital MTB member wyomingone
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Posts: 3

Joined: 8/24/2010

Location: Valencia, CA USA

1/10/2011 12:16 PM

Spomer, if you're looking for some comparable info you better get rider weights. Some of them big boys need lots of psi's compared to the stick figures, which makes sense. I like about 8.085-8.960 psi in most of my tires.

sspomer

Vital MTB member sspomer
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Posts: 1161

Joined: 6/26/2009

Location: Ventura, CA USA

Administrator

1/10/2011 12:21 PM

wyomingone wrote:

Spomer, if you're looking for some comparable info you better get rider weights. Some of them big boys need lots of psi's compared to the stick figures, which makes sense. I like about 8.085-8.960 psi in most of my tires.

i'm surprised you even run 8psi! if you ran helium, i bet you could stay off the ground entirely with your build : )

not looking for rocket science necessarily, just figured it's a fun discussion to see what people use and how they set things up.

rusty

Vital MTB member rusty
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Posts: 10

Joined: 8/26/2010

Location: Horsham, GBR

1/10/2011 12:32 PM

Front Minions on both wheels cuz Sam Hill does it. And also because the fronts don't shred up like the rears do.

For pressures I do the squeeze test - front one gives a bit more than the rear. Bit less air for when it's muddy. Boom!

mtbmtbmtb

Vital MTB member mtbmtbmtb
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Posts: 11

Joined: 10/21/2010

Location: New London, NH USA

1/10/2011 12:47 PM

sam rides specialized tires now... has been 4 a while

rusty

Vital MTB member rusty
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Posts: 10

Joined: 8/26/2010

Location: Horsham, GBR

1/10/2011 12:56 PM

I'm not one for details..

Pwest

Vital MTB member Pwest
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Posts: 12

Joined: 10/22/2009

Location: Austin, TX USA

1/10/2011 12:58 PM

Tire pressure is one the most easiest ways to mod your bike and I do a lot of asking around to see what people run.

They say the less psi you run the less you tires leave the ground and the more traction you gain and the faster you go. for myself i can't seem to run less than 40 pis front and back muddy or not. 43psi back / 40psi front.

Pwest

Mike_Doucette

Vital MTB member Mike_Doucette
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Posts: 7

Joined: 7/10/2010

Location: USA

1/10/2011 2:44 PM

It depends on how much you weigh, Tire compound, Side wall Casing etc.
To low of a tire pressure and the lugs fold into the tire casing instead of penetrating the ground like at the low 20 psi range. To much like at 36 to 40psi the tire stays too round and you get a dead spot while transiting into corners. It also tends to slide out easier while cornering. Check out the 17 questions with santa steve peat, he rides at 2.1 bar
Im 200 + with equipment on
Butcher 2.5 DH front 30-31psi
Butcher 2.5 DH rear 32-33psi

Mike_Doucette

Vital MTB member Mike_Doucette
3396 Mike_Doucette http://p.vitalmtb.com/photos/users/3396/avatar/c50_MojoWheels_DragonJump_1386189801.jpg?1386189340 http://www.vitalmtb.com/community/Mike-Doucette,3396/all 07/10/10 24 http://www.vitalmtb.com/community/Mike-Doucette,3396/setup 1 6 141 1

Posts: 7

Joined: 7/10/2010

Location: USA

1/10/2011 2:46 PM

rusty wrote:

Front Minions on both wheels cuz Sam Hill does it. And also because the fronts don't shred up like the rears do.

For pressures I do the squeeze test - front one gives a bit more than the rear. Bit less air for when it's muddy. Boom!

Sam runs Butchers.

dhmtb4life

Vital MTB member dhmtb4life
1787 dhmtb4life http://p.vitalmtb.com/photos/users/1787/avatar/c50_MSC_8_1.jpg?1292962057 http://www.vitalmtb.com/community/dhmtb4life,1787/all 01/24/10 1 8 31

Posts: 8

Joined: 1/24/2010

Location: Highlands Ranch, CO USA

1/10/2011 3:00 PM

I rode last year:
Kenda el moco (I'm not doing that again by the way, the tires suck!)
28 psi. front and 30 psi. rear
I rode at Trestle bike park last year (mostly dusty) and the tires didn't hold grip well)

Uncle Cliffy

Vital MTB member Uncle Cliffy
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Posts: 39

Joined: 3/11/2010

Location: Medford, OR USA

1/10/2011 4:27 PM

For the big bike, I've made the move to Continental.

Currently running a Rain King (renamed Baron now) on the front with around 25-30 psi. Der Kaiser on the rear with 30-35. Most of the time I do the squeeze test...

bpatterson6

Vital MTB member bpatterson6
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Posts: 7

Joined: 8/1/2009

Location: Englewood, CO USA

1/10/2011 5:12 PM

I just made the switch on my DH bike to Schwalbe tires. Currently running the Muddy Mary's. They seem to work well in most of the Colorado conditions I've encountered thus far since I started running them. I've been running Maxxis tires tubeless for years with the Mavic UST EX823 Rims. The Schwalbe tires were very easy to seat in the bead. I put just a bit of Stans in to seal it up nice. I'm very pleased with them so far. I haven't yet noticed any burping. I can definitely tell the grip factor.

I'm 225lbs or so all geared up. I run the 26 x 2.5 Front and Rear because 2.35 were out of stock when I bought the tires.

Front:
Schwalbe Muddy Mary - 26x2.5
DOWNHILL
Snakeskin Double Carcass
Gooey Gluey Compound
psi: 1.6 Bar

Rear:
Schwalbe Muddy Mary - 26x2.5
DOWNHILL
Snakeskin Double Carcass
Triple Nano Compound
psi: 2.1 Bar

Nick.

Vital MTB member Nick.
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Posts: 1

Joined: 1/2/2010

Location: Wollongong, AUS

1/11/2011 6:18 AM

Anyone running the new Schwalbe Vertstar compound?

akachlakev

Vital MTB member akachlakev
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Posts: 11

Joined: 2/22/2010

Location: San Luis Obispo, CA USA

1/11/2011 10:01 AM

Only spomer, his dudeness, and Mike_Doucette have got it right here...

Specialized Butchers or Hillbillys are the best tires for dh that money can buy...depending on conditions naturally.
If you live anywhere rocky or anywhere in california the Butchers or Hillbillys are your best bet.
Specialized took my previous favorite tires (minions and high rollers) combined them and made them better somehow! They're just brilliant tires!

As for pressures, here in San Luis Obispo, tubeless, I run about 25 on the less sharp rocky trails...for the faster rockier ones where rim-dings are an issue, I air up to 35.

MinorThreat

Vital MTB member MinorThreat
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Posts: 14

Joined: 11/17/2010

Location: Nine Mile Falls, WA USA

1/13/2011 2:45 PM

Kenda Excavator 2.5s with HD trailbike tubes. Varies between 20 and 25, Pretty much set and forget until I remember at random times to check pressure. Haven't pinch-flatted in 4+ seasons.

Iggz

Vital MTB member Iggz
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Posts: 52

Joined: 8/1/2009

Location: Scotts Valley, CA USA

1/19/2011 4:46 PM

Right neow Imma runnin:

- Wetscream 2.5 st - 18 psi (the magical psi = just enough so you don't pinch flat if you ride up a curb)
- Clutch 2.5 - 25 psi

flyboy469

Vital MTB member flyboy469
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Posts: 1

Joined: 6/5/2012

Location: Eighty Four, PA USA

3/25/2013 7:12 AM

I run the tires that came with my bike. Maxxis DH specifics. They are ok. I want something with a little more control.

But i run 25psi in front and 30psi in the front. This gives me better control when cornering