Schwalbe Marathon Plus PSI?
01-17-09 | 02:31 AM
#2
nashcommguy
Joined: Feb 2006
Posts: 2,499
Likes: 0
From: nashville, tn
Bikes: Commuters: Fuji Delray road, Fuji Discovery mtb...Touring: Softride Traveler...Road: C-dale SR300
Having 3 sets of SMPs, though all 700x 25 or 28mm I run mine consistantly 10-20 psi over recommended specs because of the rolling resistance the tire thickness creates. No probs, so far. If your tires call for 75 psi max, running them at 90 shouldn't present any significant problems. They're very tough tires and the sidewalls are made to standup to alot of abuse. You can always back down the pressure if the ride seems a little too stiff.
01-17-09 | 09:26 AM
#3
Senior Member
Joined: Jul 2006
Posts: 11,373
Likes: 8
From: Columbus, OH
Bikes: '08 Surly Cross-Check, 2011 Redline Conquest Pro, 2012 Spesh FSR Comp EVO, 2015 Trek Domane 6.2 disc
I had 26 x 1.75 Marathon + on my old commuter rig, and I ran 70psi front and rear. I'm 250 pounds, if that makes any difference.
01-17-09 | 12:37 PM
#4
Senior Member
Joined: Apr 2006
Posts: 1,840
Likes: 0
From: San Jose, CA
Bikes: Bianchi San Remo - set up as a utility bike, Peter Mooney Road bike, Peter Mooney commute bike,Dahon Folder,Schwinn Paramount Tandem
I usually run about 80, a bit less in the winter time.
700x28 SMPs
700x28 SMPs
01-17-09 | 12:52 PM
#5
Selfish bitter clinger.
Joined: Aug 2006
Posts: 187
Likes: 0
From: Red Stick
Bikes: Surly 1x1 commuter, Specialized Epic, Litespeed Ultimate, Nishiki Sport, Trek zx6000, Fisher Sugar team issue, Surly Big Dummy, 1984 Trek 400, Trek 820, kabuki road bike.
I have that exact size MP's. I found that they rode a little rough, so I lowed the psi to 45 or 50. On my Big Dummy, I increased the psi a little to maybe 60 psi. I also run them tubeless with homemade sealant. I won't jinx myself by bragging about how few flats I've gotten.
01-17-09 | 08:29 PM
#6
Gray Haired Commuter
Joined: Oct 2008
Posts: 333
Likes: 0
From: Corpus Christi, Tx
I have 700x32s and I pumped them to 90psi for my test drive around my neighborhood and they felt great. Today I took a ride that is part of my work commute that took me over some chip seal and other rough surfaces, and it was harsh at times. Of course, I just switched some from 26x1.95s that I ran around 55, so it's not surprising I noticed a difference. I think I'm going to drop the pressure some but I don't want to go far enough to bring pinch flats into play.
01-18-09 | 03:54 AM
#8
Senior Member
Joined: Jun 2005
Posts: 169
Likes: 0
From: San Francisco, CA
Bikes: 1997 Trek Multitrack 730, 2003 Gary Fisher Tassajara, 2003 KHS Flite 800, 2005 Santa Cruz Chameleon, 2008 Surly Long Haul Trucker, 2011 Santa Cruz Butcher
10psi over the max on the rear...so about 80psi. around 70-80psi in the front to take a bit of harshness out, although not much. i like to compensate for all the gear i'm carrying plus my own weight. the tires roll so smooth over the rough stuff, even at 80psi that i don't really notice their weight or rolling resistance.
02-25-09 | 01:29 PM
#9
Senior Member
Joined: Feb 2009
Posts: 1,486
Likes: 1
From: PNW - Victoria, BC
Bikes: 2002 Litespeed Vortex - 2007 Trek Madone 5.9 - 2004 Redline Conquest Pro - Specialized S-Works Festina Team Model - 93 Cannondale M 800 Beast of the East
As a representative at Schwalbe, the official line is follow the guidelines on the sidewall of the tire. As a cyclist, I highly recommend reading about tire "Width and Pressure" on Sheldon Brown's website (RIP Sheldon).
If you go to Sheldon Brown's website, make sure you have some time to kill.... a lot of time (especially if you've never been to the site before). No man or woman or other beast has ever put so much good information in one place for cyclists... and for life.
If you go to Sheldon Brown's website, make sure you have some time to kill.... a lot of time (especially if you've never been to the site before). No man or woman or other beast has ever put so much good information in one place for cyclists... and for life.
