120 rear tire on a WR?


20 replies to this topic
  • underground-mpyre

Posted July 11, 2016 - 12:34 PM

#1

So I am looking in get a wider knobby for my rear tire, want to go up a size wider to 120 from 110. Anybody have any issues with a 120 on the rear of their WR?

 

 

I feel as if my WR would get better traction climbing with a wider tire than lose a lot of traction with wheel spin I am climbing.



  • stevethe

Posted July 11, 2016 - 12:35 PM

#2

Ha a 120. Try a 140.

  • Krannie McKranface

Posted July 11, 2016 - 12:40 PM

#3

140?? Pffft..  160!



  • underground-mpyre

Posted July 11, 2016 - 01:07 PM

#4

I am looking at the new Washougal 2's and on a serious note don't to lose handling to gain more traction.



  • Krannie McKranface

Posted July 11, 2016 - 01:45 PM

#5

I am looking at the new Washougal 2's and on a serious note don't to lose handling to gain more traction.

 

The Washougal-2 tire is a great traction tire, and it turns ok too.

...but it's not a long lasting tire.

 

I still prefer it, as even when worn down I can feel what the rear wheel is doing and modulate the clutch better.



  • Summit

Posted July 12, 2016 - 04:20 AM

#6

Ha a 120. Try a 140.


Do you run a 140? Way better traction?

  • stevethe

Posted July 12, 2016 - 04:52 AM

#7

Do you run a 140? Way better traction?

Yes way better traction. IRCM5B 140/80x18 sometimes the only way to get from point A to point B.



  • underground-mpyre

Posted July 12, 2016 - 11:37 AM

#8

God, I want to see how wide that rear tire is!



  • stevethe

Posted July 12, 2016 - 12:10 PM

#9

We run 140's on all the 450's. The 130's also work pretty good they just wear out a little quicker. image_zpsozieusvf.jpeg

  • underground-mpyre

Posted July 12, 2016 - 12:26 PM

#10

 From the rear angle would tell me how much wide better than the side.

 

Just really looking for a wider tire without sacrificing handling or cornering capabilities.



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  • Krannie McKranface

Posted July 12, 2016 - 01:10 PM

#11

 From the rear angle would tell me how much wide better than the side.

 

Just really looking for a wider tire without sacrificing handling or cornering capabilities.

 

A wider tire will absolutely change the cornering quality, to worse....but if you need to get 'up that hill' to keep going, it's moot.



  • Summit

Posted July 12, 2016 - 03:10 PM

#12

So cornering is worse but how so, like higher speed under power, leaning, tire spinning? I like TRACTION and gnarly climbs, I'm not a speed demon and I have my 450 tuned so it pulls pretty hard, may have to try a bigger tire. Any other negatives like clearance issues or such?

  • Monk

Posted July 12, 2016 - 03:23 PM

#13

So cornering is worse but how so, like higher speed under power, leaning, tire spinning? I like TRACTION and gnarly climbs, I'm not a speed demon and I have my 450 tuned so it pulls pretty hard, may have to try a bigger tire. Any other negatives like clearance issues or such?


Wider tire makes for the bike more difficult to lay over... Also, wide tires make the bike want to climb out of ruts...


Might want to look into suspension work for better traction...

  • stevethe

Posted July 12, 2016 - 03:24 PM

#14

So cornering is worse but how so, like higher speed under power, leaning, tire spinning? I like TRACTION and gnarly climbs, I'm not a speed demon and I have my 450 tuned so it pulls pretty hard, may have to try a bigger tire. Any other negatives like clearance issues or such?


With 140's you hook up much more and they don't turn as well. So when you want to turn lean the bike over and crank the throttle. The best way to know what they do is to try one.

  • u83AAf3

Posted July 13, 2016 - 10:13 AM

#15

I'm running a 130. Looks like I could go even bigger! ;)



  • Summit

Posted July 15, 2016 - 07:33 PM

#16

With 140's you hook up much more and they don't turn as well. So when you want to turn lean the bike over and crank the throttle. The best way to know what they do is to try one.

Could you do me a favor and measure the width of that 140? Reason I ask is because I just measured the width of my maxis desert IT in a 110/100-18 and it's exactly 5" wide. I was actually surprised at how wide it is for a 110. That's actually 127 mm's instead of the 110 ?? And also there's 1/2" of clearance to the chain.
I'm going to try the irc 140 with the tubliss system soon. Can't wait to try it.

  • stevethe

Posted July 16, 2016 - 06:36 AM

#17

Could you do me a favor and measure the width of that 140? Reason I ask is because I just measured the width of my maxis desert IT in a 110/100-18 and it's exactly 5" wide. I was actually surprised at how wide it is for a 110. That's actually 127 mm's instead of the 110 ?? And also there's 1/2" of clearance to the chain.
I'm going to try the irc 140 with the tubliss system soon. Can't wait to try it.


And the answer is 5 1/2" it's an easy fit from 07 on up. I am running them on a 07,09 and a 16 so pretty sure they will also fit the 12-15's.
My 08 Supermoto gets a 6 1/4" tire so you don't have anything to worry about with chain rub.

  • stevethe

Posted July 16, 2016 - 06:39 AM

#18

By the way when you do the math that is only a 1/4" larger on each side than your 5" tire. But the knobs are likely much further apart and taller when new.

  • stevethe

Posted July 16, 2016 - 06:45 AM

#19

140/80x18 image_zpscrqakate.jpeg

  • Summit

Posted July 16, 2016 - 07:21 AM

#20

And the answer is 5 1/2" it's an easy fit from 07 on up. I am running them on a 07,09 and a 16 so pretty sure they will also fit the 12-15's.
My 08 Supermoto gets a 6 1/4" tire so you don't have anything to worry about with chain rub.

Thanks! My bike's an 05 but I think there's plenty of room. Gotta go burn some knobbies down first, dang maxxis wears like iron.




 
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