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Old 07-25-2008, 01:48 PM   #16
dorkpunch OP
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I'll save the next one... maybe another 2000 miles and its yours. The front is yours NOW if you want it... along with my rear sprocket.
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Old 07-25-2008, 01:59 PM   #17
doc_ricketts
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Quote:
Originally Posted by DirtMerchant
I have no idea how you do it, my last MT21 looked like that in ~1500 miles. My new one has noticeable wear in 150 miles
I am guessing that is more the norm. I just put my MT21s on and love them, but I don't look for more than about 1500-2000 miles out of them. They are absolutely sticky on the pavement and great off road. Maybe other tires are better off road, but I'll bet none hold the corners like the MT-21s on pavement. I ran 19 and 24 psi yesterday on a ride up a very rocky road and back with the wife on the back. On my DR they performed well, but the rear was flat when I got back home after trailering. Could it be that 24 is not enough with a rider on the back and got a pinch flat? Will check it out tonight.
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Old 07-25-2008, 02:10 PM   #18
FBOMB
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Holy crap.....I just changed mine out at 2000 mi. and it looked like this.
I should have left it on.

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Old 07-25-2008, 02:19 PM   #19
Para504
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Quote:
Originally Posted by doc_ricketts
I am guessing that is more the norm. I just put my MT21s on and love them, but I don't look for more than about 1500-2000 miles out of them. They are absolutely sticky on the pavement and great off road. Maybe other tires are better off road, but I'll bet none hold the corners like the MT-21s on pavement. I ran 19 and 24 psi yesterday on a ride up a very rocky road and back with the wife on the back. On my DR they performed well, but the rear was flat when I got back home after trailering. Could it be that 24 is not enough with a rider on the back and got a pinch flat? Will check it out tonight.
I doubt it was the psi; I ride in pretty rocky areas, usually about 12psi on my trail bikes (MT16's and Dunlop 803's), and about 20psi on the dualsport (MT21's), without a pinch flat yet (8 years and couting). You may have just gotten lucky & won "the lottery"...
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Old 07-25-2008, 07:54 PM   #20
GodSilla
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Quote:
Originally Posted by FBOMB
Holy crap.....I just changed mine out at 2000 mi. and it looked like this.
I should have left it on.
That tyre was just coming good too.

Seriously, if you don't mind the flat centre the tyre will go the same distance again by the look of it, just won't handle like it did when new.
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Old 07-25-2008, 09:48 PM   #21
Ragin Rabbi
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Quote:
Originally Posted by WaterWheel
Put it in the Flea Market section. Somebody's KLR could still get a couple thousand miles out of it.










While your joking.......















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Old 07-27-2008, 03:00 AM   #22
warewolf
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6000 miles is pretty good going. I think the rocky terrain in these parts is (partly) to blame for the wear I get, this one only managed 3500km, typical for me. You can see the rubber is cut up by the rocks, it's not nice and smooth like most pictured in this thread.

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Old 07-27-2008, 11:03 AM   #23
herobikes
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tired

Your back tire looks new compared too the Metzler Sahara with 8000 miles on the back of my lc4.
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Old 03-27-2013, 08:14 AM   #24
G-Mac
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[QUOTE=doc_ricketts;7480201]I am guessing that is more the norm. I just put my MT21s on and love them, but I don't look for more than about 1500-2000 miles out of them. They are absolutely sticky on the pavement and great off road. Maybe other tires are better off road, but I'll bet none hold the corners like the MT-21s on pavement.
I couldn't agree more. For an almost pure off road tire they are amazing on the slab. And DOT
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Old 03-27-2013, 09:12 AM   #25
bmwktmbill
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Ran them in Russia, Gobi desert, the Baikal, then across a few time zones heading west. Mostly gravel.

Wear really well. Think mine were made in Brazil.

The 140/80/18 is the correct size for the KTM 640a.

MT 21's and Metzler Karros are both the correct 140 size and go to tires.

Big tires.
Pricey so the Kenda 270'shave to do for every day.
5.10X18.
bill
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Old 03-27-2013, 11:02 AM   #26
Grreatdog
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6,000 miles

This was mine at just over 600 miles.

I replaced it at 800 miles because at this point it offered so little traction offroad that was pointless to ride on it anymore. I used to run MT21's on my 200 and 350 for all woods riding until the center knobs were almost gone. But I found that is suicidal on the LC4E in the mountains.


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Old 03-27-2013, 12:54 PM   #27
nordicbiker
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800 miles??? What are doing with your bike?

With that live span I would need between 15 to 17 back tyres - in ONE year! Sweden is big! I would spend more money on tyres than on fuel!

I guess I will go again for the incredible resistant Heidenau K60 again. Not the same league of grip, but at least 10 times the livespan.
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Old 03-27-2013, 01:32 PM   #28
Grreatdog
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Quote:
Originally Posted by nordicbiker View Post
800 miles??? What are doing with your bike?
High speeds on gravel roads and ugly rocky trails. Flat tracking a powerful motorcycle on gravel is pure hell on tires. So is playing enduro rider in rocks with a 300+ pound, 50+ horsepower bike. MT21's held up well on my smaller bikes. But my 640 eats them like candy.
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Old 03-27-2013, 03:44 PM   #29
kubiak
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i noticed especially on knobbies they wear fast when new because the center tread is mostly being used but when worn down more they start to ride on the side knobs next to the center knobs too so giving more tread to the ground for longer lasting wear. so when they get really far down its riding on more than half the tread not just the high center area. if you use your tire up like me you get more miles since i use them till they are riding on the carcas lol!
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Old 03-27-2013, 04:24 PM   #30
bmwktmbill
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Quote:
Originally Posted by kubiak View Post
i noticed especially on knobbies they wear fast when new because the center tread is mostly being used but when worn down more they start to ride on the side knobs next to the center knobs too so giving more tread to the ground for longer lasting wear. so when they get really far down its riding on more than half the tread not just the high center area. if you use your tire up like me you get more miles since i use them till they are riding on the carcas lol!
That's right, they start to work on gravel when they flatten out.
Otherwise the KENDA 270 is a better gravel road tire.
b
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