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Old 08-26-2013, 07:05 PM   #1
dankatz OP
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70/30 Dirt/Road tires for CRF230L?

Looking to replace the OEM Bridgestones which are worn out for something more dirt oriented. I have other bikes including a DR650 with Shinko 244, so the CRF230L will be more for dirt and shorter stints on the asphalt/highway. I would like something more aggressive, but not sure I want something all out dirt. something 70% dirt and 30% road or 80% dirt/20 road. The OEM front tire is 2.75-21 45P and the rear is 120/80-18 MC62P. I also would prefer to not spend an arm and a leg since I have other bikes and many other expenses. What would you guys recommend? BTW, I am happy with the Shinko 244 for the DR650 even though a set cost less than $100. Is 120/80-19 equivalent to 5.10-18 or 4.60-18??. What about 2.75-21 is that like 80/90-21? Any advice about the tires and conversions is appreciated
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Old 08-26-2013, 08:05 PM   #2
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The Kenda 760 is a great rear, and the 100/100 fits very much like a 120/80. It's also only $50. It's very dirt-oriented, but I've done quite a bit of pavement, and it's fine.

For the front, the MT21 is the gold standard, but expensive. You could try the matching K760, but I have no experience with the front.
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Old 08-26-2013, 10:58 PM   #3
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IRC TR8 front. IRC TR8 rear, Kenda K270 rear, Shinko 244 rear, MT43 rear, etc. You have a lot of options.
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Old 08-26-2013, 11:17 PM   #4
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Originally Posted by Kommando View Post
IRC TR8 front. IRC TR8 rear, Kenda K270 rear, Shinko 244 rear, MT43 rear, etc. You have a lot of options.
Thanks for the advise. I haven't thought about the TR8. I did read about the MT21 and like the reviews, at least for the front. I wonder if they are equivalent in terms on life and dirt worthiness. The MT21 I think is a 90/10 dirt/road tire. Is the TR8 also 90/10? It looks like the BR-99 is the most aggressive DOT tire IRC makes. The Shinko 244/Kenda270/GP-1 I think are equivalent and more of a 50/50 tire.
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Old 08-29-2013, 01:20 PM   #5
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Looking also at Pirelli MT21. They come in 80/90-21 and 90/90-21. Which one is equivalent to the 2.75-21 that we have? Anybody use this tire on the CRF230L?
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Old 08-29-2013, 01:34 PM   #6
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Originally Posted by dankatz View Post
Thanks for the advise. I haven't thought about the TR8. I did read about the MT21 and like the reviews, at least for the front. I wonder if they are equivalent in terms on life and dirt worthiness. The MT21 I think is a 90/10 dirt/road tire. Is the TR8 also 90/10? It looks like the BR-99 is the most aggressive DOT tire IRC makes. The Shinko 244/Kenda270/GP-1 I think are equivalent and more of a 50/50 tire.
I don't really consider tires by percentage. I consider them by capability...Can they get it done? Some people may only ride dirt 10% of the time/mileage, but the little amount of dirt they ride could be some nasty soft/slimy stuff. Others may ride 90% dirt, but the huge amount of dirt they ride is mostly grippy hardpack.

The rear 244, K270, and similar are pretty capable in most dirt. They'll propel a bike through most offroad terrain if one can just stay on the gas, yet they can also run some mileage on pavement.

The front is where I go more aggressive for dirt tread, but it's nice to find a dirt-capable knob that also handles paved turns well...like the MT21 or the IRC TR8.
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Old 08-29-2013, 02:22 PM   #7
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Nobody's mentioned the Dunlop 606 yet, and that's the first tire that came to mind when you described the kind of tire you're looking for. The Kenda 760 Trakmaster was recommended and I'll second that, it's a fine dirt-oriented DS tire and cheaper than the D606, but probably won't last as long. As for MT21's--they hook up great both on and offroad, but they're very spendy and don't last long...although tire durability is definitely "YMMV" territory...
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Old 08-29-2013, 02:35 PM   #8
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So, I suspect on a CRF230L which has much less power than most other bikes the tires should last a little longer. I hear good things about the D606 rear - not so good about front. I haven't heard too many complaints about the MT21
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Old 08-29-2013, 03:22 PM   #9
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Nobody's mentioned the Dunlop 606 yet, and that's the first tire that came to mind when you described the kind of tire you're looking for. The Kenda 760 Trakmaster was recommended and I'll second that, it's a fine dirt-oriented DS tire and cheaper than the D606, but probably won't last as long. As for MT21's--they hook up great both on and offroad, but they're very spendy and don't last long...although tire durability is definitely "YMMV" territory...
The D606 rear is a good tire, but it's expensive, IMO. The K270 rear doesn't seem to give up much to it in offroad traction, and tends to last a bit longer, for around $30-$40 less. The D606 rear tends to wear pretty evenly, and corners well on pavement for as knobbly as it is. It usually lasts longer than the MT21 does as a rear, but the MT21 front runs better in the soft stuff than the D606 front.

The K760 rear is a good offroad DOT tire for a pretty low price, and doesn't handle badly onroad for such an aggressive knob, but it tends to wear quickly. On a CRF230L, the wear might not be much of an issue, but a thumper putting out over 30WHP can vaporize a K760 rear pretty quickly.
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Old 08-30-2013, 02:11 AM   #10
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On my dearly departed CRF230L, I ran through both D606 and T63s. It is sandy around here, and and both worked fine.

I got better mileage out of the costlier D606. Make sure you balance the front if you do any significant road, cause both my D606 and T63s wore unevenly and could have lasted another 4k I bet if I understood the importance of balance at the time. My rear 606 was still usable at 10000 miles.
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Old 09-06-2013, 04:38 AM   #11
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On my dearly departed CRF230L, I ran through both D606 and T63s. It is sandy around here, and and both worked fine.

I got better mileage out of the costlier D606. Make sure you balance the front if you do any significant road, cause both my D606 and T63s wore unevenly and could have lasted another 4k I bet if I understood the importance of balance at the time. My rear 606 was still usable at 10000 miles.
What size D606 were you running, 120/90/18 or 130/90/18? I take is 90/90/21 on the front?
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Old 09-06-2013, 05:16 AM   #12
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Quote:
Originally Posted by dankatz View Post
Looking to replace the OEM Bridgestones which are worn out for something more dirt oriented. I have other bikes including a DR650 with Shinko 244, so the CRF230L will be more for dirt and shorter stints on the asphalt/highway. I would like something more aggressive, but not sure I want something all out dirt. something 70% dirt and 30% road or 80% dirt/20 road. The OEM front tire is 2.75-21 45P and the rear is 120/80-18 MC62P. I also would prefer to not spend an arm and a leg since I have other bikes and many other expenses. What would you guys recommend? BTW, I am happy with the Shinko 244 for the DR650 even though a set cost less than $100. Is 120/80-19 equivalent to 5.10-18 or 4.60-18??. What about 2.75-21 is that like 80/90-21? Any advice about the tires and conversions is appreciated
My little Yamaha wears Michelin T63's. My KTM wears OEM Pirelli MT21's. Both work well in mud, sand and the highway. I won't buy MT21's again, though, because they are so noisy! They howl above 45mph and get louder as the tires wear. They seem to last longer that the Michelin's.

T63's are a cheaper version of the Michelin Desert, which is their DOT labeled DAKAR tire. It is very quiet, plus it has a soft carcass, which makes it easy to spoon on or off. I suspect the Pirellis are soft too, since that seems to be their trademark. I run higher pressures to avoid pinch flats.

I have a set of Michelin Desert's to replace my MT21's. Very expensive so I hope they last.
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