Tire Selection
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    by duncanforever » Tue Nov 15, 2011 1:09 pm

    I have been looking for both front and rear tires, want to try to stay under $120-130 for both i have found the ARTRAX SX1 its almost a deal you cant pass up for $90. Will these last long or are they two cups of goat $h!t? Opinions please thanks. OH almost forgot i have a 06 crf450r will the 120/90/19 fit with no problems? Thanks
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    by belltownjefe » Mon Mar 12, 2012 6:29 am

    Bike type:08 450X
    Front tire: Dunlop MX71 90/100-21
    Front tire psi: 12
    Rear tire: Dunlop MX71 110/90-18
    Rear tire psi: 12
    Location:High Desert - Southern California
    Type of terrain: Hard to Intermediate
    Comments: _________________
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    by redrider250r » Thu Mar 29, 2012 11:30 am

    Bike type: 09 crf250r
    Front tire: Dunlop MX51 90/100-21
    Front tire psi: 13-14
    Rear tire: Dunlop MX51 110/80-19
    Rear tire psi: 13-14
    Location: Southern Wisconsin / northen Illinois.
    Type of terrain: Clay - sand, and everything in between
    Comments: Great traction and wear all around
    "If you don't crash, you ain't goin fast enough"
    "The faster you go, the smoother it gets. (Unless saying #1 comes into play)
    2009 CRF250R (mine)
    09 CRF250R (brothers)
    08 CRF250X (dad)
  • Dirtdiver73
    Posts: 57
    Joined: Fri Jul 15, 2011 7:28 am

    by Dirtdiver73 » Wed Jun 05, 2013 4:46 am

    Bike type: 2006 CRF250X
    Front tire: 90/100-21 Dunlop MX71
    Front tire psi: 14
    Rear tire: 110/90-18 Dunlop D952
    Rear tire psi: 15
    Location: Wisconsin
    Type of terrain: extremely rocky with mix of hard pack, sand, and mud
    Comments: the rocky terrain destroyed the stock 756 ear and 742 front tires. After much debate I choose to go with a 952 on the rear and a MX71 up front. I put 8 hours on my bike during one weekend and Was very impressed by the performance of the tires.
    A bad day of riding beats a good day at work!
  • ArmidaMireles
    Posts: 1
    Joined: Sat Mar 09, 2019 12:26 am

    Re: Tire Selection

    by ArmidaMireles » Wed Mar 27, 2019 5:19 am

    Bike type:05 crf450r
    Front tire:Dunlop D756rr
    Front tire psi:14
    Rear tire:Michelin MH3
    Rear tire psi:14
    Location:Central CA
    Type of terrain:mid-hard pack
    Posts: 1
    Joined: Tue Jul 16, 2019 4:49 am

    Re: Tire Selection

    by JEFFNER » Fri Jul 26, 2019 3:15 am

    Decent, need to accomplish something like this with mine.
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    Re: Tire Selection

    by Samanjo » Sun Dec 29, 2019 11:18 am

    Bike type: 2010 CRF230F
    Front tire: Pirelli
    Front tire psi: 1 Bar
    Rear tire: Bridgestone Battlecross X30
    Rear tire psi: 1 Bar
    Location: South Africa
    Type of terrain: Hard gravel, stones and some soft loose sand
    Comments: Combination works well
  • xander2121
    Posts: 1
    Joined: Thu Apr 16, 2020 2:10 pm

    Re: Tire Selection

    by xander2121 » Thu Apr 16, 2020 2:19 pm

    Hi, I want to change my CRF 230m supermoto tires (17'' front and back) to some dirt tires. I am curently thinking on buying 450crf tires that are 21 front and 18 back. Does anyone knows if they(the crf450 tires) will fit to the crf230m? Or can someone tell me if there is any type of dirt tires or rims that will fit into the CRF 230M?
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    Re: Tire Selection

    by JimDirt » Thu Apr 16, 2020 3:23 pm

    Welcome to the site !! \:D/

    Hopefully Ray will chime in , as he is our resident CRF230 Expert .... so hopefully he will show up soon ... 8-[

    You might try posting this in the CRF230 part of the forum as well , as he frequents that section a lot ... ;)
    02 CRF450R
    06 CRF450X
    Weiser , Idaho
  • Aussiecrf230
    Posts: 1726
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: Tire Selection

    by Aussiecrf230 » Thu Apr 16, 2020 4:12 pm

    Hi Xander 2121,
    Do you just want dirt tyres for your existing wheels or do you want a separate set of wheel and tyres?

    There are dual sport tyres that fit 17" rims.

    If you what to go 21/18 inch wheel then read below.

    I don't know the answer to this with out a bit of research.
    I would say anything is possible with the right combinations of parts, determination and money.

    By the looks of a 230M I think the 21 will fit at the front.
    You would have to check out a typical 18" dirt tyre to see if it fits in the swing arm and the axle will still have a spot to go to.
    Some times they fit the arm but the axle has to be so far back it has no slot to fit in.
    It also depends how firm the 230M suspension is so it doesn't bottom out guard to tyre.

    Well the 230M has 17 inch rims front and rear as you stated.
    You need to measure axle sizes and widths to see if they are standard CRf230 or they were made larger.

    Suggest you look in the OEM parts section here
    http://partsfinder.onlinemicrofiche.com ... finder.htm
    You can then compare part numbers of axles bearings and wheel sets between the different models that might become donor bikes.

    You do have to consider whether the 250/450 hubs are wider and if changing spacers around or making new can get it to fit.

    Check out brake disc diameters and offset from hub and whether the callipers line up.
    Can be as simple as going to a dealer and measuring stock bikes to get an idea.

    Option 2.
    If the tyres can fit then count the number of spokes on the front and rear of your existing wheels and compare to 21/18 wheels.
    If you are lucky they might be the same number and you could possibly lace the larger rims to your existing hubs.
    Having the right spokes maybe an issue as there are a number of different ends to lock into the hubs.
    The wheel manufactures might be able to help here as I have had spokes made up to fit different hub wheel combinations in the past.

    I know people have put Super Moto tyres on dirt bikes as well as lowered them to get it to handle.
    This has been done in the same family of bikes though, making say a 450R into a 450SM.

    Can't say I have seen it go the other way.

    Hope that gives you some idea wear to start, and if you figure it out please post up what you did as I am sure others would be interested.

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas

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