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SCLATER29
50cc nipper
Joined: 10 Dec 2007
Posts: 30
Location: port hedland
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 Posted: Tue Apr 22, 2008 8:06 pm Post subject: atv tyre sizes for mx |
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hi all i need some expert reccomendations on some wheels for the ktm525 for mx setup
front rim size?
rear rim size?
front wheel size?
rear wheel size?
-i race hard pack/ sand mx i would prefer maxxis tyres so i also need reccomendation for tyre type
- next if i go down in wheel size from the original tyres on the 525 will i have to alter gearing?, what sort of effect does tyre size have on engine performance i.e will the bike rev more, loose top end ect
im currently running 932 20x11-9 rear, 931 21x7-10 front im aware that these tyres are to tall for mx however if i drop down 2" in height then i also loose 1" in width whats more important width or height?
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"IF YOU DONT BREAK IT YOUR NOT GOING HARD ENOUGH" |
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Ozzy450
Blaster class
Joined: 27 Mar 2007
Posts: 152
Location: tasmania
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| Posted: Tue Apr 22, 2008 8:40 pm Post subject: |
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i have maxxis razer mx 20/6x10 fronts on 10x5 rims and on the rear i have 18/10x8 on 8x8 rims. . no complaits. hook up well
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ride it hard or go home |
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SCLATER29
50cc nipper
Joined: 10 Dec 2007
Posts: 30
Location: port hedland
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| Posted: Tue Apr 22, 2008 8:54 pm Post subject: |
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i was looking at 18 x 10 -9 rear m932 mx razr
19 x 6 - 10 front m931 mx razr
(already got rim lockers 9" in rear 10" in front not sure on width)
_________________
"IF YOU DONT BREAK IT YOUR NOT GOING HARD ENOUGH" |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Wed Apr 23, 2008 10:28 am Post subject: |
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your only gonna lose width through the tyre surface so it shouldn't ba a concern, I'd say the height is more important for Hard Pack and than for sand. you may find your self needing to go back to the 21/20 inch tyres for a proper deep sand track.
Putting smaller tyres on is effectively gearing it down. The general rule is to go to 18 Inch tyres on the rear, going up 1 tooth on the front sprocket is generally accepted as a match for the change in tyre size.
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www.dirtcomp.com.au |
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