Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Mountain Biking Mountain biking is one of the fastest growing sports in the world. Check out this forum to discuss the latest tips, tricks, gear and equipment in the world of mountain biking.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 10-08-03, 10:17 PM   #1
killerasp
Syracuse Orangeman 4 Life
Thread Starter
 
killerasp's Avatar
 
Join Date: Aug 2002
Location: NY, NY
Bikes:
Posts: 472
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Wider Tires

How important is wider tires? I was talking with my friends all they all ride at least 2.5 while im using 2.1. Does it really improve performacne?
killerasp is offline   Reply With Quote
Old 10-08-03, 10:19 PM   #2
Trey
Esquire
 
Join Date: Aug 2003
Location: Tennessee
Bikes:
Posts: 109
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
YOu mentioned they are downhillers. Wider tires can take a bit more abuse. Narrower tires are lighter weight but won't allow for quite the hits. Unless you are doing big drops or jumps I'd say 2.1's are fine.
Trey is offline   Reply With Quote
Old 10-08-03, 10:20 PM   #3
jcivic00
keep moving forward...
 
jcivic00's Avatar
 
Join Date: Jun 2003
Location: NRH
Bikes: 2009 Motobecane Fantom CX
Posts: 403
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
wider tires are more stable, but they also make you slower due to decreased tire pressures. nice for freeride where stability and shock absorption come in handy, but suck for going fast.
jcivic00 is offline   Reply With Quote
Old 10-08-03, 10:24 PM   #4
Maelstrom 
Wood Licker
 
Maelstrom's Avatar
 
Join Date: Apr 2002
Location: Whistler,BC
Bikes: Transition Dirtbag, Kona Roast 2002 and specialized BMX
Posts: 16,885
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
It also depends on weight and terrain. I don't run below 2.3 (2.1 Tioga's are fine but they are huge). I like wider tires because they allow for less air pressure and much better traction. A big must in dh and freeriding (especially in a rain forest). It depends on terrain, you speciality and your skill. I would rather feel stable in corners, skinnies and jumps at speed then be able to go fast on flat stuff but have to be careful in the fun stuff.
Maelstrom is offline   Reply With Quote
Old 10-08-03, 11:01 PM   #5
BAC5.2
Senior Member
 
BAC5.2's Avatar
 
Join Date: Aug 2003
Location: Margaritaville
Bikes:
Posts: 212
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by jcivic00
wider tires are more stable, but they also make you slower due to decreased tire pressures. nice for freeride where stability and shock absorption come in handy, but suck for going fast.

They are slower due to more rolling resistance because of a larger contact patch. A lot of wide tire riders will run upwards of 50 PSI.

Wide tires are good for a few things.

It is great in the wet and the roots where traction is important.

It offers more bite in high speed turns

Less prone to pinch flat's (wider tire and larger air volume is harder to bottom out on the rim)

and much more stable.

2.3 is the biggest you'd want to go for trail bike use. 2.5 is the minimum for ultimate freeride.
BAC5.2 is offline   Reply With Quote
Old 10-08-03, 11:10 PM   #6
Dannihilator
User Title
 
Dannihilator's Avatar
 
Join Date: Oct 2002
Location: Annandale, New Jersey
Bikes: 2014 Surly Steamroller, 1989 Nishiki Altron
Posts: 19,419
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
2.35 is a happy medium.
__________________
Signature.
Dannihilator is offline   Reply With Quote
Old 10-09-03, 03:47 AM   #7
tFUnK
Senior Member
 
Join Date: Jun 2002
Location: Menlo Park, CA
Bikes: GT Forte Ti, Ridley XBow, Specialized Tricross Sport, Specialized Langster, Xootr Swift
Posts: 2,278
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
well i noticed a hellauvalot difference in cornering and stability when i went from 1.95 to 2.1. it adds more confidence to my ride, but still doesn't give enough cornering bite on loose terrain. i am tempted to go 2.5 for recreational semi-technical riding, and when i start racing i will use 2.1 probably. like danka and others mentioned, a 2.3 is probably a good medium.
tFUnK is offline   Reply With Quote
Old 10-09-03, 08:16 AM   #8
a2psyklnut
NCAA - DUAL CHAMPIONS!
 
a2psyklnut's Avatar
 
Join Date: Mar 2000
Location: From Sarasota, FL sitting in front of a computer spewing random thoughts!
Bikes: Intense Uzzi SL, Masi Speciale, Trek 3700 Nashbar Single Speed, Old Cilo Road frame
Posts: 7,964
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I'm currently only using 2.1's on my bike, but the trail conditions around here don't really warrant a BIG FATTY FATTY FAT TIRE.

I'll probably get some 2.3's when these get old, (or I find a good deal!).

L8R
__________________
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger
a2psyklnut is offline   Reply With Quote
Old 10-09-03, 02:13 PM   #9
mindbogger
Senior Member
 
mindbogger's Avatar
 
Join Date: Jul 2003
Bikes:
Posts: 933
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
ive noticed that some tires that read 2.1 are really 1.95. Depends on teh company cuz different companies had different standards
mindbogger is offline   Reply With Quote
Old 10-09-03, 02:33 PM   #10
Trey
Esquire
 
Join Date: Aug 2003
Location: Tennessee
Bikes:
Posts: 109
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Just like car tires. 205 doesn't always mean 205 between manufacturers.
Trey is offline   Reply With Quote
Old 10-09-03, 06:43 PM   #11
tFUnK
Senior Member
 
Join Date: Jun 2002
Location: Menlo Park, CA
Bikes: GT Forte Ti, Ridley XBow, Specialized Tricross Sport, Specialized Langster, Xootr Swift
Posts: 2,278
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Quote:
Originally Posted by Trey
Just like car tires. 205 doesn't always mean 205 between manufacturers.
notably, the falken azenis
tFUnK is offline   Reply With Quote
Old 10-09-03, 09:58 PM   #12
Chuvak
Advertise here!
 
Chuvak's Avatar
 
Join Date: Jan 2003
Location: Brooklyn, NY
Bikes: 2002 Allez A1xx SE
Posts: 981
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I would love to get a bigger size tire for my MTB. I'm currently running 1.95 and my frame wont allow a larger tire. My question is: How did you manage to fit a 2.1 on a frame that came with 1.95 and you still want to go up?
Chuvak is offline   Reply With Quote
Old 10-09-03, 11:00 PM   #13
BAC5.2
Senior Member
 
BAC5.2's Avatar
 
Join Date: Aug 2003
Location: Margaritaville
Bikes:
Posts: 212
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Just because the bike came with 1.95's doesn't mean that's the maximum tire size. Most frames will clear a 2.3" tire. My Specialized HT could clear a 2.35.
BAC5.2 is offline   Reply With Quote
Old 10-10-03, 12:20 AM   #14
tFUnK
Senior Member
 
Join Date: Jun 2002
Location: Menlo Park, CA
Bikes: GT Forte Ti, Ridley XBow, Specialized Tricross Sport, Specialized Langster, Xootr Swift
Posts: 2,278
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Quote:
Originally Posted by Chuvak
I would love to get a bigger size tire for my MTB. I'm currently running 1.95 and my frame wont allow a larger tire. My question is: How did you manage to fit a 2.1 on a frame that came with 1.95 and you still want to go up?
yeah actually i bought the frame and built it up. i just threw on some 1.95's because that's what i had laying around. after riding with those i decided to try 2.1's. like bac5.2 said i think a lot of frames/forks are designed with a max tire clearance of like ~2.3. whether or not i can move up to 2.5's i am not definately sure. but from looking at the current clearance i have now, i think an extra .4 inch can squeeze in there pretty comfortably. on older frames/forks i think a 2.3 might be the max.
tFUnK is offline   Reply With Quote
Old 10-12-03, 01:18 AM   #15
anthonaut
My life be like ooh aah
 
anthonaut's Avatar
 
Join Date: Apr 2003
Location: Adelaide, Australia
Bikes: Giant Boulder SE 2000, Craftworks FRM125 2002
Posts: 1,409
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I believe wider tires make riding easier off road but harder on road.

Wide tires are good but it can be overdone. If your tires are so big that when you get a buckle, your tire will rub, the tire is probably too big. You need some play between your frame/fork and tire. I have also heard that rubbing tires can be very abrasive and cause serious damage.
anthonaut is offline   Reply With Quote
Old 10-12-03, 03:54 PM   #16
rockymtn_girl
Senior Member
 
Join Date: Jul 2002
Bikes:
Posts: 366
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
It really depends on what type of riding you're doing and what type of terrain you're doing it on. If you're riding mostly xc on hardpack, a 2.1 is all you need. It will have the least amount of rolling resistance (depending on tread) and weigh less. If you're riding mostly downhill or freeride on a looser or wet surface, you'll want a wider tire for cushion and stability and a more aggresive tread. Weight generally isn't a factor in this type of riding unless you're riding to the top as well.

The type of riding I prefer is xc hillclimbing and around here the terrain will start out hardpack but become loose with elevation gain. I'm trying out the Panaracer Pyro 2.25 right now and, for me anyway, it's a good compromise. It's an excellent climber in these conditions; it's not any heavier than a 2.1 (Pyro is 610 g compared to 620 g for a 2.1 Smoke); it provides a bit of cushion over rocks and whatnot; and, it's stable on the downhills. However, I prefer ascending to descending, so I tend to take it easy on the downhills. I'm not sure what these tires are like descending at high speed.
rockymtn_girl is offline   Reply With Quote
Old 10-13-03, 06:54 AM   #17
Richard D
Donating member
 
Richard D's Avatar
 
Join Date: Sep 2001
Location: Faversham, Kent, UK
Bikes:
Posts: 1,852
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Interestingly at the same pressure a wider tyre of the same profile has less rolling resistance than the narrower tyre (they deform less) - but that's assuming you can run them at the same pressure...
__________________
Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)
Richard D is offline   Reply With Quote
Old 10-22-03, 03:41 AM   #18
Hopper
Ride bike or bike ride?
 
Hopper's Avatar
 
Join Date: Oct 2003
Location: Adelaide, Australia
Bikes: MongoosePro DH, Dart custom road bike, .243 Racing FR street bike
Posts: 1,447
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Remember the frame may have a gap of 2.3 inches exactly but you also need to take into account mud clearance and room in case you have minor buckles. Also you don't want ones that are bigger than you need as it gets harder for you to ride as their is more resistsance due to more tyre surface area touching the ground.

For easy trail riding and XC between 1.95 and 2.3 should be good. In DH and Freeriding you wouldn't want to go below 2.5 if it wasn't neccasary as you need more stability for these disciplines (for most proper DHers and freeriders) .
Hopper is offline   Reply With Quote
Old 10-22-03, 04:22 PM   #19
BAC5.2
Senior Member
 
BAC5.2's Avatar
 
Join Date: Aug 2003
Location: Margaritaville
Bikes:
Posts: 212
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Richard D
Interestingly at the same pressure a wider tyre of the same profile has less rolling resistance than the narrower tyre (they deform less) - but that's assuming you can run them at the same pressure...
The reason for wider tires is so that you can run lower pressure....
BAC5.2 is offline   Reply With Quote
Old 10-23-03, 03:36 AM   #20
Richard D
Donating member
 
Richard D's Avatar
 
Join Date: Sep 2001
Location: Faversham, Kent, UK
Bikes:
Posts: 1,852
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by BAC5.2
The reason for wider tires is so that you can run lower pressure....
Certainly one of the reasons, but it is a common misconception that a wider tyre has inherently greater rolling resistance than a narrow tyre.
__________________
Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)
Richard D is offline   Reply With Quote
Old 11-06-03, 03:06 AM   #21
crashing_sux
Monkey
 
crashing_sux's Avatar
 
Join Date: Nov 2003
Location: Whistler, BC
Bikes: Specialized Enduro
Posts: 97
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Richard D
Certainly one of the reasons, but it is a common misconception that a wider tyre has inherently greater rolling resistance than a narrow tyre.

I call BS. Assuming deformation of a tire accounts for all of it's rolling resistance is a joke. Wider tires have more rubber on the ground, hence the extra traction you get. More rubber on the ground means more energy losses through both friction and adhesion.

Simply put, a 2.35 High Roller will have a lower rolling resistance than a 2.7 High Roller. In any tire that has multiple widths and the same tread pattern the wider tire will have more rolling resistance.

This is at the exact same pressure, but given the fact that realistically if you run a wider tire you will most likely run lower pressures the rolling resistance will be even higher.

Damn, this has got me thinking, all these years all the XC racers I know and all of the pro's have stayed away from running 3.0" tires, if only someone would have told them about the lower deformation and lower rolling resistance just imagine how much faster they could be

Don't confuse common sense with common misconceptions.
crashing_sux is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 02:27 PM.