140/80/17 vs 150/70/17 on a lowered Wee - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 11 Old 12-19-2013, 05:14 PM Thread Starter
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140/80/17 vs 150/70/17 on a lowered Wee

Couple questions.

I'm going to be ordering some new Mitas E07's for my lowered Wee soon.

I was thinking about going with the 140/80/17 rear over the stock tire size of 150/70/17.

These are my reasons and then my concerns...

1. I have heard with its thinner profile it will dig into gravel a bit better (which I ride quite a bit of) without any compromise of quality and grip on pavement.

2. I'm hoping they may be slightly better then the Heideanus I am currently running when I ride through sand/mud (not that I ride a ton of sand/mud but the heideanus are pretty terrible in those conditions).

3.(not that it is significant but they are also $10 less).


Now my concerns.

My 2009 Wee is lowered 3/4 inch with some richland rick dogbones but I have never raised the front.

so ...

1. Would a 140/80 rub the underside of the wheel well?

2. Along the same lines as #1 ...One of the biggest concerns would be would the 140/80 negate my 3/4 inch lowering altogether as it is a thinner taller tire? (I have hobbit legs ...need the lowered)

3. Since different tires can have different weight ratings would the 140/80 change the max weight of the bike IE: when the wife and I go on camping trips fully loaded we are pushing the max weight of ~440 lbs for the wee.

4. Would I get less kms out of it since there is less contact patch being a thinner tire?



And I haven't even asked about going with a 100/90/19 over the stock 110/80/19 as I don't know what the benefits of that are.

Anything else I should be concerned about?

Thanks

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Last edited by Casper137; 12-19-2013 at 05:19 PM.
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post #2 of 11 Old 12-19-2013, 05:29 PM
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Rim to Tyre Application Chart says a 149/80/17 is optimized for a 3.00" rim width and can handle up to a 3.50". The Strom rear is a 4.00".

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #3 of 11 Old 12-19-2013, 05:33 PM Thread Starter
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Quote:
Originally Posted by greywolf View Post
Rim to Tyre Application Chart says a 149/80/17 is optimized for a 3.00" rim width and can handle up to a 3.50". The Strom rear is a 4.00".
Well then ...if that's the case maybe I'll just stick with the stock size.

Although I've seen the 140 recommended 2 or 3 times (in both the Heideanus and the Mitas) from people on this forum and another for the exact reason that it digs and grips better in gravel.


Do you think any of my other concerns are founded?

My best advice to any young person is to write down the top ten things you want in a partner, then become that person.

Last edited by Casper137; 12-19-2013 at 05:37 PM.
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post #4 of 11 Old 12-19-2013, 06:26 PM
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Quote:
Originally Posted by greywolf View Post
Rim to Tyre Application Chart says a 149/80/17 is optimized for a 3.00" rim width and can handle up to a 3.50". The Strom rear is a 4.00".
Must be an Illinois special

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post #5 of 11 Old 12-19-2013, 08:06 PM
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140 for Wee

Well, I'm in a hurry, but I will leave my 2 cents since I was asked for my opinion based on personal experience.

I had the 140/80 rear from Heidenaux on my wee and loved it.
I have also put on the 150/70 from Heidenaux when they came out.
When they are worn out, I will go back to the 140/80. I love them.
They have more thread, more aggressive because you don't reach that center slick until you have worn half the thread. the 150/70 has a center slick brand new right off the go. 140 has a slick, but it is countersunk half way in.
They 140's threads are also deeper than the 150 so a little more aggressive.
And being a little skinnier, you dig and bite in a little better.
I have had no issues with rubbing any where. Plenty of clearance.
I also ride with my wife and ride two up a lot.

Now I also like the 140 because they lift your bike a little more and give you more clearance.

Now if you are short legged and already suffer from too much height, then maybe the 140 might not be for you. It will raise your bike some.

As far as weight, I really don't think that is a problem.
I weight 290 lbs. and my wife weights 210. And I pack light because she packs heavy.

I have been on the scales with my wife on the back and our total weight is a hair over 1k.

So if any one should worry about weight, I don't think you are it.
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Just go to EnduroGuardian.com.
My phone is on my website.

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post #6 of 11 Old 12-20-2013, 05:10 AM
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Mitas 140/80 17 on the rear works well for me [the front is a Mefo Explorer, only because I bought the tyres at the time Mitas were having problems wit the 19" tyres suddenly deflating.... all recalled now], mixed highway and dirt covering average 800 km's per day at speeds up around 110-120 kph loaded with all the gear you see in the photos.

This was a high summer run with temps around 35-40 deg C.

Legs of around 300 km's without stopping were routine.








I will be fitting the Mitas again in the 140/80 17 for sure.

Ock. in Oz

I ride naked and unafraid.

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post #7 of 11 Old 12-20-2013, 02:09 PM
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Narcosis junky

"Now I also like the 140 because they lift your bike a little more and give you more clearance."

You lost me with this. I thought /80 profile is taller than a /70. Wouldn't the /70 be taller?

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post #8 of 11 Old 12-20-2013, 03:26 PM
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Quote:
Originally Posted by Solo View Post
"Now I also like the 140 because they lift your bike a little more and give you more clearance."

You lost me with this. I thought /80 profile is taller than a /70. Wouldn't the /70 be taller?
Metric tire sizes are different...

The first number is the width in mm

The second number is considered the aspect ratio which you would multiply it with the first number and that gives you the side wall height above the rim
For example:

140/80 = 140mm * 0.80 = 112mm sidewall height

150/70 = 150mm * 0.70 = 105mm sidewall height

So the 140 is more narrow than the 150, but it's taller sidewall height makes it a taller tire

112 - 105 = 7mm *2 = 14mm or approximately 0.55 inches taller which would effectively raise your rear 0.28 inches

The third number is obviously the imperial size wheel it fits onto

Got to love those metric tire sizes!!

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post #9 of 11 Old 12-20-2013, 04:39 PM
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70% of 150mm is 107mm sidewall height, less than the 80% of the 140mm tyre which is 112mm high.

So you gain a massive :biggrinjester: 7mm lift in ride height.

You do also gain a greater rolling diameter, thus altering the wheel revolutions per engine revolutions, but again the difference is minimal.

The better gravel/dirt grip is noticeable I feel though, compared to the 150/70


Edit... that figures, bassb posted between when I started my reply at the airport and when I completed it at home.

Ock. in Oz

I ride naked and unafraid.

Windsor (near enough)
NSW
Australia

Last edited by ockerstrom; 12-20-2013 at 04:43 PM.
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post #10 of 11 Old 12-20-2013, 10:35 PM
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Got it. thx guys.

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