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	<title>曲がる  |  素人から素人のための自転車遊</title>
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		<title>曲がったクランクを交換、メンテナンス講座（続2）</title>
		<link>https://2021tomoziblog.com/%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%82%af%e3%83%a9%e3%83%b3%e3%82%af%e3%82%92%e4%ba%a4%e6%8f%9b%e3%80%81%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9%e8%ac%9b%e5%ba%a7%ef%bc%88%e7%b6%9a2/</link>
					<comments>https://2021tomoziblog.com/%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%82%af%e3%83%a9%e3%83%b3%e3%82%af%e3%82%92%e4%ba%a4%e6%8f%9b%e3%80%81%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9%e8%ac%9b%e5%ba%a7%ef%bc%88%e7%b6%9a2/#respond</comments>
		
		<dc:creator><![CDATA[Tomozi2012]]></dc:creator>
		<pubDate>Wed, 20 Dec 2023 12:39:05 +0000</pubDate>
				<category><![CDATA[カスタム]]></category>
		<category><![CDATA[メンテナンス]]></category>
		<category><![CDATA[Dahon dash P8]]></category>
		<category><![CDATA[ridea]]></category>
		<category><![CDATA[インナーケーブル]]></category>
		<category><![CDATA[クランク]]></category>
		<category><![CDATA[クランク交換]]></category>
		<category><![CDATA[チェーンライン]]></category>
		<category><![CDATA[チェーンリング]]></category>
		<category><![CDATA[ミニベロ]]></category>
		<category><![CDATA[交換]]></category>
		<category><![CDATA[折り畳み自転車]]></category>
		<category><![CDATA[曲がる]]></category>
		<category><![CDATA[楕円]]></category>
		<category><![CDATA[楕円チェーンリング]]></category>
		<guid isPermaLink="false">https://2021tomoziblog.com/?p=3031</guid>

					<description><![CDATA[曲がったチェーンリング交換の時にクランクも曲がっていることが解った。 なので交換だー&#x2600;&#xfe0f; 目次 どんな感じニュークランク交換問題もあったよ どんな感じ 平らな床においてカタカタならないはずがな [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p><a rel="follow noopener" target="_blank" href="https://2021tomoziblog.com/%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e3%83%aa%e3%83%b3%e3%82%b0%e3%82%92%e4%ba%a4%e6%8f%9b%e3%80%81%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%81%ae%e3%81%af%e3%81%9d/">曲がったチェーンリング交換</a>の時にクランクも曲がっていることが解った。</p>



<p>なので交換だー&#x2600;&#xfe0f;</p>




  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-2" checked><label class="toc-title" for="toc-checkbox-2">目次</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">どんな感じ</a></li><li><a href="#toc2" tabindex="0">ニュークランク</a></li><li><a href="#toc3" tabindex="0">交換</a></li><li><a href="#toc4" tabindex="0">問題もあったよ</a></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading"><span id="toc1">どんな感じ</span></h2>



<figure class="wp-block-video"><video height="1080" style="aspect-ratio: 1920 / 1080;" width="1920" controls src="https://2021tomoziblog.com/wp-content/uploads/2023/12/MOV_0727.mp4"></video></figure>



<p>平らな床においてカタカタならないはずがなってます。曲がってます。事故にあってるのですが、これはもうほぼほぼ事故で曲ったのではないでしょうか。</p>



<p>曲がっている方向もチェーンラインで負荷がかかる内側でなく外側に曲がっている。（と言うか2年ちかく曲がっていることに気づかない自分に驚き(^_^;)</p>



<h2 class="wp-block-heading"><span id="toc2">ニュークランク</span></h2>



<figure class="wp-block-image size-large"><img fetchpriority="high" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432-1024x768.jpg" alt="" class="wp-image-3039" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07228779838540247750432.jpg 2000w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p>ライトプロです。この肉抜きされてるのがいい。そして、安い。</p>




<a rel="noopener nofollow" target="_blank" href="https://amzn.to/3SrTu6R" title="https://amzn.to/3SrTu6R" class="blogcard-wrap external-blogcard-wrap a-wrap cf"><div class="blogcard external-blogcard eb-left cf"><div class="blogcard-label external-blogcard-label"><span class="fa"></span></div><figure class="blogcard-thumbnail external-blogcard-thumbnail"><img decoding="async" src="https://s.wordpress.com/mshots/v1/https%3A%2F%2Famzn.to%2F3SrTu6R?w=320&#038;h=180" alt="" class="blogcard-thumb-image external-blogcard-thumb-image" width="320" height="180" /></figure><div class="blogcard-content external-blogcard-content"><div class="blogcard-title external-blogcard-title">https://amzn.to/3SrTu6R</div><div class="blogcard-snippet external-blogcard-snippet"></div></div><div class="blogcard-footer external-blogcard-footer cf"><div class="blogcard-site external-blogcard-site"><div class="blogcard-favicon external-blogcard-favicon"><img decoding="async" src="https://www.google.com/s2/favicons?domain=https://amzn.to/3SrTu6R" alt="" class="blogcard-favicon-image external-blogcard-favicon-image" width="16" height="16" /></div><div class="blogcard-domain external-blogcard-domain">amzn.to</div></div></div></div></a>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735-1024x768.jpg" alt="" class="wp-image-3040" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07235658911571526889735.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117-1024x768.jpg" alt="" class="wp-image-3041" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07241804759795110901117.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>色は黒にしたんだけどロゴ無いほうがかっこいいな。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523-1024x768.jpg" alt="" class="wp-image-3043" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07251675974608410557523.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922-1024x768.jpg" alt="" class="wp-image-3042" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07318196132352753146922.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>388gと355ｇで３３ｇの増加。たぶんリリース的にもニュークランクの方が後続タイプ。剛性を強化したのだろう。剛性が増したので良しとする。</p>



<h2 class="wp-block-heading"><span id="toc3">交換</span></h2>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084-1024x768.jpg" alt="" class="wp-image-3027" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06987629946043251636084.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>クランクをくぼみに合わせ、トルクレンチを使いチェーンボルトを締める。（材質により力が変わる。６Nー８Nでだいたい商品ページやボルトに記載されてる。）</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723-1024x768.jpg" alt="" class="wp-image-3044" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07337885532039092674723.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>チェーンリングはチェーンライン問題でインナー側につけてます。なのでチェアリングボルトはダブル用です（この時は気づかずシングル用を使ってました）。</p>



<p>インナー側につけると、外側に空間ができるのですが、おじさんがワッシャー作ってくれました。ありがとう。</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776-1024x768.jpg" alt="" class="wp-image-3045" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07327585691467281599776.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>アルミのチェーンリングボルトを使用していましたが、アルミは何度も付け替えてはだめでした。なめました。ダブル用のところを無理にシングルで締めていたのもありますが。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883-1024x768.jpg" alt="" class="wp-image-3049" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07297803618642219425883.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="925" height="1024" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949-925x1024.jpg" alt="" class="wp-image-3050" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949-925x1024.jpg 925w, https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949-271x300.jpg 271w, https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949-768x850.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949-1387x1536.jpg 1387w, https://2021tomoziblog.com/wp-content/uploads/2023/12/jzq5b04700352743650737949.jpg 1806w" sizes="auto, (max-width: 925px) 100vw, 925px" /></figure>



<p>前と比べてかっこよくなりました。</p>



<figure class="wp-block-video"><video height="1080" style="aspect-ratio: 1920 / 1080;" width="1920" controls src="https://2021tomoziblog.com/wp-content/uploads/2023/12/MOV_0728.mp4"></video></figure>



<p>トルクレンチなしだと少し歪んでる(^_^;)</p>



<figure class="wp-block-video"><video height="1080" style="aspect-ratio: 1920 / 1080;" width="1920" controls src="https://2021tomoziblog.com/wp-content/uploads/2023/12/MOV_0739.mp4"></video></figure>



<p>トルクレンチありで良くなりました。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708-1024x768.jpg" alt="" class="wp-image-3052" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07386696137844794909708.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618-1024x768.jpg" alt="" class="wp-image-3051" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07408416862500902058618.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>おじさんがカーボンシールを作ってくれて、ロゴかくせました&#x2728;</p>



<h2 class="wp-block-heading"><span id="toc4">問題もあったよ</span></h2>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="768" height="1024" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07622357925737618028669-768x1024.jpg" alt="" class="wp-image-3065" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07622357925737618028669-768x1024.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07622357925737618028669-225x300.jpg 225w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07622357925737618028669-1152x1536.jpg 1152w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_07622357925737618028669.jpg 1500w" sizes="auto, (max-width: 768px) 100vw, 768px" /></figure>



<p>前に比べてチェーンラインがハイ側に１ギヤ分よりました。</p>



<p>ディレイラー調整したことと、チェーンラインたすき掛けになったことにより、ローギヤでクランク逆回転するとチェーンが落ちてしまいました。</p>



<p>ケーブル引っ張りガイドプーリーを移動させたり、ディレイラー調整したりいろいろしましたが、ボトムブラケットの軸長を短くしてチェーンラインを修正するしかないようです。</p>



<p>今のところ逆回転しなければむしろ調子いいのでそのままです。</p>




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		<post-id xmlns="com-wordpress:feed-additions:1">3031</post-id>	</item>
		<item>
		<title>メンテナンスを教えてもらった</title>
		<link>https://2021tomoziblog.com/%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9%e3%82%92%e6%95%99%e3%81%88%e3%81%a6%e3%82%82%e3%82%89%e3%81%a3%e3%81%9f/</link>
					<comments>https://2021tomoziblog.com/%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9%e3%82%92%e6%95%99%e3%81%88%e3%81%a6%e3%82%82%e3%82%89%e3%81%a3%e3%81%9f/#comments</comments>
		
		<dc:creator><![CDATA[Tomozi2012]]></dc:creator>
		<pubDate>Sat, 16 Dec 2023 08:16:17 +0000</pubDate>
				<category><![CDATA[メンテナンス]]></category>
		<category><![CDATA[BB]]></category>
		<category><![CDATA[Dahon dash P8]]></category>
		<category><![CDATA[インナーケーブル]]></category>
		<category><![CDATA[クランク]]></category>
		<category><![CDATA[シフトインナーケーブル]]></category>
		<category><![CDATA[チェーンリング]]></category>
		<category><![CDATA[ブレーキシュー]]></category>
		<category><![CDATA[ボトムブラケット]]></category>
		<category><![CDATA[ミニベロ]]></category>
		<category><![CDATA[折り畳み自転車]]></category>
		<category><![CDATA[曲がる]]></category>
		<category><![CDATA[楕円]]></category>
		<category><![CDATA[楕円チェーンリング]]></category>
		<guid isPermaLink="false">https://2021tomoziblog.com/?p=2923</guid>

					<description><![CDATA[前にグループライド行った時の人がメンテナンスをいろいろ教えてくれると言ってくれた。 年末だし、ちょうど謎の異音に悩まされていたので、お言葉に甘えることにした&#x2600;&#xfe0f; この時重大な故障があることを気 [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p><a rel="noopener follow" target="_blank" href="https://2021tomoziblog.com/%e5%88%9d%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e3%83%a9%e3%82%a4%e3%83%89%e3%80%90%e3%83%9f%e3%83%8b%e3%83%99%e3%83%ad%e3%81%a8%e3%83%ad%e3%83%bc%e3%83%89%e3%83%90%e3%82%a4%e3%82%af%e3%81%a7%e3%80%91/">前にグループライド</a>行った時の人がメンテナンスをいろいろ教えてくれると言ってくれた。</p>



<p>年末だし、ちょうど謎の異音に悩まされていたので、お言葉に甘えることにした&#x2600;&#xfe0f;</p>



<p>この時重大な故障があることを気づいていない。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-1024x768.jpg" alt="" class="wp-image-2994" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0630-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>この超軽量ロードバイクに乗っている、自転車いじり20年以上のオタクな面白いおじさんだ。</p>



<p>おじさんの自転車工具&amp;パーツが無限に出てくる部屋紹介の後に（エッ◯なフィギュアもｗ）メンテナンス講座が始まった&#x2600;&#xfe0f;</p>




  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-4" checked><label class="toc-title" for="toc-checkbox-4">目次</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">ミニベロの状態</a></li><li><a href="#toc2" tabindex="0">メンテナンス講座</a></li><li><a href="#toc3" tabindex="0">重大な修復すべき場所発覚</a></li><li><a href="#toc4" tabindex="0">ちなみにおじさんのニューギヤ</a></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading"><span id="toc1">ミニベロの状態</span></h2>



<p>愛車DAHON Dash P8は5年くらい乗ってる。通勤で4kmくらいと休日も乗っている。雨に降られることもしばしば。</p>



<p>もちろん我流なりにメンテナンスやカスタムを施している。</p>



<p>ヘッドパーツ以外はメンテナンスしている。</p>



<p>最近は乗った状態でペダルを回すと異音が発生しいていた。ペダルが怪しいと思い<a rel="noopener follow" target="_blank" href="https://2021tomoziblog.com/%e6%b7%b1%e5%a4%9c%e3%81%ae%e3%83%9a%e3%83%80%e3%83%ab%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9%e3%81%a8%e8%a8%80%e3%81%86%e9%8d%9b%e9%8c%ac/">メンテナンスした</a>。</p>



<p>おじさんから漕いでるときチェーンが左右に暴れていると指摘されてる。</p>



<p>要はドライブトレインに何か異常がある状態。</p>



<h2 class="wp-block-heading"><span id="toc2">メンテナンス講座</span></h2>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-1024x768.jpg" alt="" class="wp-image-2996" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0604-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>スタンドいいな♪スゲー使いやすい&#x2600;&#xfe0f;</p>



<p>細かい工程などは他を見ていただいて、ポイントを書いていきます。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-1024x768.jpg" alt="" class="wp-image-2997" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0607-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p><strong>まずはBBから</strong>、左から開ける。</p>



<p>力がかかるため、地面に自転車おく。</p>



<p>固いはずなので（緩ければ締め不足、それは剛性も落ちる）工具をしっかり抑えてプラハンマーで工具を小刻みに衝撃をあたえて緩める。（なめずらくなる）</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-1024x768.jpg" alt="" class="wp-image-2998" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0606-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-1024x768.jpg" alt="" class="wp-image-2999" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0608-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>グリスは外のふちに滲み出るくらいつける。</p>



<p><strong>次はシュー交換</strong></p>



<p>シューはゴムで、ゴムは一定期間過ぎると固くなるそうだ、固くなるとリムを傷つける。</p>



<p>シューの位置固定はリムにつけた状態で固定する。</p>



<p>拘束バンド等でブレーキレバー固定すればやりやすい。</p>



<p><strong>リム</strong>（車輪のブレーキシューがあたるとこ）の磨き方。</p>



<p>自転車を上下反対にして、400番と800番のサウンドペーパーをリムにあて、車輪を回すだけ。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-1024x768.jpg" alt="" class="wp-image-3001" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/DSC_0625-2048x1536.jpg 2048w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p><strong>ビックプーリー</strong>を1個もらった&#x2600;&#xfe0f;</p>




<a rel="noopener nofollow" target="_blank" href="https://amzn.to/3tTi8DJ" title="https://amzn.to/3tTi8DJ" class="blogcard-wrap external-blogcard-wrap a-wrap cf"><div class="blogcard external-blogcard eb-left cf"><div class="blogcard-label external-blogcard-label"><span class="fa"></span></div><figure class="blogcard-thumbnail external-blogcard-thumbnail"><img loading="lazy" decoding="async" src="https://s.wordpress.com/mshots/v1/https%3A%2F%2Famzn.to%2F3tTi8DJ?w=320&#038;h=180" alt="" class="blogcard-thumb-image external-blogcard-thumb-image" width="320" height="180" /></figure><div class="blogcard-content external-blogcard-content"><div class="blogcard-title external-blogcard-title">https://amzn.to/3tTi8DJ</div><div class="blogcard-snippet external-blogcard-snippet"></div></div><div class="blogcard-footer external-blogcard-footer cf"><div class="blogcard-site external-blogcard-site"><div class="blogcard-favicon external-blogcard-favicon"><img loading="lazy" decoding="async" src="https://www.google.com/s2/favicons?domain=https://amzn.to/3tTi8DJ" alt="" class="blogcard-favicon-image external-blogcard-favicon-image" width="16" height="16" /></div><div class="blogcard-domain external-blogcard-domain">amzn.to</div></div></div></div></a>



<p>マイクロヒーロー12インチ、ナローワイド、セラミックベアリングです。</p>



<p>チェーンの角度をやわらげて抵抗を少なくし、セラミックベアリングが抵抗を少なくする。もちろん２個の方が抵抗少なくなるようだ。</p>



<p>もっと言うともっと大きい方が角度をやわらげて抵抗少なくできる。ただあまり大き過ぎると小径車は地面に剃っちゃう(^_^;)</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298-1024x768.jpg" alt="" class="wp-image-3004" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_0626373758312457578298.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189-1024x768.jpg" alt="" class="wp-image-3003" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06272052680092555100189.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p><strong>シフトインナーケーブル</strong>が端ほつれているのをハンダつけしてもらった。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247-1024x768.jpg" alt="" class="wp-image-3005" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06286044227166544911247.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>圧縮チューブもつけてもらいコーティングしてくれた。火で炙り圧縮する仕組み。</p>



<h2 class="wp-block-heading"><span id="toc3">重大な修復すべき場所発覚</span></h2>



<figure class="wp-block-video"><video height="1080" style="aspect-ratio: 1920 / 1080;" width="1920" controls src="https://2021tomoziblog.com/wp-content/uploads/2023/12/MOV_0605.mp4"></video></figure>



<p>冒頭でも少し書きましたが、チェーンリングが外側に曲っているのが解るでしょうか。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879-1024x768.jpg" alt="" class="wp-image-3009" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06192104496590563386879.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="1024" height="768" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348-1024x768.jpg" alt="" class="wp-image-3008" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348-1024x768.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348-300x225.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348-768x576.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348-1536x1152.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/dsc_06093398986391429536348.jpg 2000w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>数ミリの話だけど、チェーンをつけるとすごくぶれてるように見える(^_^;)</p>



<p>トルクレンチを貸してくれて、チェーンリングを８Nでトルク管理（これ重要！材質によって違います）してつけたらマシになったけど、やはりぶれている。</p>



<p>チェーンリング交換するしかない(^_^;)</p>



<p>おじさんにメンテナンス講座してもらわなければ気づかなっかった。感謝&#x2728;</p>



<p>2年前に骨折するくらいの事故にあっているのでそれのせいかもしれない。（いつ曲がったか解らないが2年間気づかないてヤバい(^_^;)）</p>



<p>この時異常はこれだけでないと思っていなかった・・・<a rel="follow noopener" target="_blank" href="https://2021tomoziblog.com/%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e3%83%aa%e3%83%b3%e3%82%b0%e3%82%92%e4%ba%a4%e6%8f%9b%e3%80%81%e6%9b%b2%e3%81%8c%e3%81%a3%e3%81%9f%e3%81%ae%e3%81%af%e3%81%9d/">続く</a></p>



<h2 class="wp-block-heading"><span id="toc4">ちなみにおじさんのニューギヤ</span></h2>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="691" src="https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344-1024x691.jpg" alt="" class="wp-image-3010" srcset="https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344-1024x691.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344-300x202.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344-768x518.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344-1536x1036.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2023/12/image_editor_output_image-1951188923-17026899730442529724067579966344.jpg 1999w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>ミニベロです。ternのサージュ&#x2600;&#xfe0f;カーボンをホイールからシートポスト等ゴリゴリつけて、エクステイションブレーキレバーなんて珍しいブレーキの延長部品をつけている。</p>



<p>まだまだ、改造途中である。笑</p>




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