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	<id>https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Tire_Sizes</id>
	<title>Tire Sizes - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Tire_Sizes"/>
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	<updated>2026-04-13T03:05:46Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.39.13</generator>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297785&amp;oldid=prev</id>
		<title>Marcin at 20:29, 23 June 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297785&amp;oldid=prev"/>
		<updated>2024-06-23T20:29:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:29, 23 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;275 &lt;/del&gt;means width of tread&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;225 &lt;/ins&gt;means width of tread&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**/70 is aspect ratio&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**/70 is aspect ratio&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**R17 is rim size. OD can be calculated here. If rubber height is 70% of &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;275 &lt;/del&gt;is about &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;8&lt;/del&gt;&amp;quot;, thus tire should be &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;16&lt;/del&gt;+17 tall = &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;33 &lt;/del&gt;inch.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**R17 is rim size. OD can be calculated here. If rubber height is 70% of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;225 &lt;/ins&gt;is about &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;6&lt;/ins&gt;&amp;quot;, thus tire should be &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;12&lt;/ins&gt;+17 tall = &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;29 &lt;/ins&gt;inch&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Yes, 29&amp;quot; is the spec&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Marcin</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297784&amp;oldid=prev</id>
		<title>Marcin at 20:28, 23 June 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297784&amp;oldid=prev"/>
		<updated>2024-06-23T20:28:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:28, 23 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**275 means width of tread&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**275 means width of tread&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;**/70 is aspect ratio&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;**R17 is rim size. OD can be calculated here. If rubber height is 70% of 275 is about 8&quot;, thus tire should be 16+17 tall = 33 inch.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Marcin</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297783&amp;oldid=prev</id>
		<title>Marcin: Created page with &quot;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.] **275 means width of tread&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Tire_Sizes&amp;diff=297783&amp;oldid=prev"/>
		<updated>2024-06-23T20:26:51Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.] **275 means width of tread&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;*Explained - [https://www.byways.org/tire/225-70r17/#:~:text=225%2F70R17%20tires%20have%20a,or%20426%20revolutions%20per%20kilometer.]&lt;br /&gt;
**275 means width of tread&lt;/div&gt;</summary>
		<author><name>Marcin</name></author>
	</entry>
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