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-   -   Do you put the bigger tire, or smaller tire up front? (https://www.bikeforums.net/mountain-biking/304745-do-you-put-bigger-tire-smaller-tire-up-front.html)

Rockadile 06-01-07 05:33 PM

Do you put the bigger tire, or smaller tire up front?
 
I have a new bike that came with exiwolfs a 1.95 and 2.1. I took them off the bike and they looked the same at the time but now I see they are different. Which one goes where, and whats the logic behind it? The 2.1 definatly has a bigger lugs.

thanks

z415 06-01-07 05:36 PM

Riders generally use the wider one up front and I do that also.

Rear tires are more for propulsion, so a skinnier tires goes in the back because less rubber touches the ground for more speed (easier to pedal).

Front tires are wider are more for control so the wider surface area keep you in control in fast turns and such.

There are also other reasonings, but I can't really think of them on the top of my head. You should do a search because I have read that around here.

BugsInMyTeeth 06-02-07 06:18 AM

Really?

I would have assumed that the big one went in the back, for better grip when climbing.

Hmm.. learning everyday.

z415 06-02-07 06:34 AM


Originally Posted by BugsInMyTeeth
Really?

I would have assumed that the big one went in the back, for better grip when climbing.

Hmm.. learning everyday.

Well I am just saying that because I was reading an older post and people were listing their specific tire preferences and such so don't mark it down as fact. I tried it both ways and I like having the fatter one in the front personally. I do admit that there is one difference between my two tires besides size, my front one is Specialized Pro Resolution dC 2.1 and my rear is Specialized S-Works Fast Trak dC 2.0.

Actually I thought of a good reason to use the fat tire in the rear, it is more comfortable at higher pressures (fast, but less traction). I raised my psi in my rear tire by 7-8 psi and I go numb in places that aren't supposed to (I have a hardtail) - I brought it back down to 35 psi and I have no problem anymore. However that can be negated because the skinnier tire at lower pressure is just as comfy as the fatter tire at higher psi.

Temeraroius 06-02-07 12:01 PM

Ive always heard small in the front too...

Raiyn 06-02-07 12:53 PM


Originally Posted by Temeraroius
Ive always heard small in the front too...

Wrong. z145 had it right the first time. The wide one goes up front for better traction and to prevent washouts. The narrow one is supposed to go in back for lower rolling resistance.

TheFlip 06-02-07 03:52 PM

Yeah, you could put the bigger one in the rear and get better climbing traction, but the front wheel is responsible for almost all braking and turning (yes the rear tire helps most of the time, but if your front washes out, you're screwed).
So I put the bigger one on front because I would rather push up a few steep sections than have to go slower/die on the descents.

Askel 06-02-07 07:23 PM


Originally Posted by Raiyn
Wrong. z145 had it right the first time. The wide one goes up front for better traction and to prevent washouts. The narrow one is supposed to go in back for lower rolling resistance.


Front tires are somehow rolling resistance resistant? :D


It might be obvious to some, but does weight affect rolling resistance?

MaxBrokeAway 06-02-07 07:56 PM


Originally Posted by TheFlip
the front wheel is responsible for almost all braking and turning


Thats an endoe waiting to happen.

tonyt 06-02-07 08:37 PM

Anything wrong with same size F/R?

scrublover 06-02-07 09:05 PM


Originally Posted by MaxBrokeAway
Thats an endoe waiting to happen.

You have no idea what you are talking about.

z415 06-03-07 05:24 AM

My Resolution has just as much climbing traction as my Fast Trak on horribly rooted stuff and I've never washed out or slipped out or ate it or whatever you call it with my Resolution up front, but it has happened once or twice on my Fast Trak. It could be the knob/tread differences, but the funny thing is that the Fast Trak sticks and hooks in on corners a lot better than my Resolution did on the rear.

z415 06-03-07 05:34 AM


Originally Posted by tonyt
Anything wrong with same size F/R?

Probably not, but some people just want the smallest they can get while maintaining a certain performance level.

Maelstrom 06-03-07 10:15 AM


Originally Posted by MaxBrokeAway
Thats an endoe waiting to happen.

No chance...most of your braking should come from the front. Feather the front, you stop, lock the rear you skid.

Oh and I ride bigger up front and smaller rear OR same size.

BugsInMyTeeth 06-03-07 10:34 AM

Can you really say that there's 'not a chance' at an endo by braking incorrectly with the front brake?

Bombing down a hill, if you lock up the front brake, you're going for a trip.

I'm not arguing that the front brake does the most work, I'm just saying that I, personally, find it hard to believe that there is 'no chance' of an endo from braking too hard with the front brake.

Maelstrom 06-03-07 10:38 AM

I don't lock the front brake.

Actually I have ridden an entire day without a rear brake (ok maybe 10% working) as it blew up on the mountain. I have endoed...hmmmm 5 times in three years (one of which was caused by a failed whip and 2 times were freaking big locks I locked my front wheel onto)


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