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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 10-05-07, 09:15 PM   #1
bradberry00
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Widest tire on a Sun M13II rim?

So building up a winter bike, I am planning on running some 700x30 'cross tires. Can I shoehorn those onto a M13II or should I up it to the CR18?

Thanks
David
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Old 10-05-07, 09:41 PM   #2
dijos
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IIRC, my rims are the m13II, and I run 28s, no problem.
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Old 10-06-07, 08:16 AM   #3
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i'm sure you can mount tires all the way up to 35 or 38 on a 19mm wide rim, but it isn't optimal. there's an article written by sheldon that discusses this. for what it's worth, the CR18 and rhyno lite are both pretty wide and sturdy; if i knew i'd want fat tires all the time i would definitely run them. they're about half again as wide as a typical road rim, though, so make sure you have chainstay clearance.
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Old 10-07-07, 12:02 AM   #4
TimArchy
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I've run 38's on my 19mm rim. No problem. Look at cross country mtb's. They run 2" tires on 24mm rims all the time.
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Old 10-07-07, 12:37 AM   #5
Retem
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they are close to the size of an ma40 and I have run 37s on them so ....
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Old 10-07-07, 05:58 PM   #6
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hmm...well maybe I'll just run some m13's then....I like them...pretty good price to quality ratio.
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