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	<title>フロントダブル化  |  素人から素人のための自転車遊</title>
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	<description>Enjoy 自転車 旅 グルメ キャンプ アフィリエイト</description>
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		<title>超激坂を登るためのギヤ比等カスタムを考える【ミニベロ】</title>
		<link>https://2021tomoziblog.com/%e8%b6%85%e6%bf%80%e5%9d%82%e3%82%92%e7%99%bb%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ae%e3%82%ae%e3%83%a4%e6%af%94%e7%ad%89%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%a0%e3%82%92%e8%80%83%e3%81%88%e3%82%8b%e3%80%90/</link>
					<comments>https://2021tomoziblog.com/%e8%b6%85%e6%bf%80%e5%9d%82%e3%82%92%e7%99%bb%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ae%e3%82%ae%e3%83%a4%e6%af%94%e7%ad%89%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%a0%e3%82%92%e8%80%83%e3%81%88%e3%82%8b%e3%80%90/#respond</comments>
		
		<dc:creator><![CDATA[Tomozi2012]]></dc:creator>
		<pubDate>Mon, 05 Feb 2024 14:12:40 +0000</pubDate>
				<category><![CDATA[カスタム]]></category>
		<category><![CDATA[Dahon dash P8]]></category>
		<category><![CDATA[ギヤ比]]></category>
		<category><![CDATA[クランク]]></category>
		<category><![CDATA[クランク交換]]></category>
		<category><![CDATA[シフター]]></category>
		<category><![CDATA[スプロケット]]></category>
		<category><![CDATA[ダブル]]></category>
		<category><![CDATA[チェーン]]></category>
		<category><![CDATA[チェーンリング]]></category>
		<category><![CDATA[チェーン長]]></category>
		<category><![CDATA[ディオーレxt]]></category>
		<category><![CDATA[ビックギヤ]]></category>
		<category><![CDATA[フロントシングル]]></category>
		<category><![CDATA[フロントダブル]]></category>
		<category><![CDATA[フロントダブル化]]></category>
		<category><![CDATA[ミニベロ]]></category>
		<category><![CDATA[折り畳み自転車]]></category>
		<category><![CDATA[楕円チェーンリング]]></category>
		<category><![CDATA[激坂]]></category>
		<category><![CDATA[魔改造]]></category>
		<guid isPermaLink="false">https://2021tomoziblog.com/?p=3364</guid>

					<description><![CDATA[愛車ミニベロで子ノ根現初挑戦しまして、最大斜度２８%は足つきなしで登れないことが解ったｗゲン担ぎもあったので登りたい（何で）。トレーニングして登るのも自分のスタイルと違う。 ならばギヤ比だ。めちゃくちゃ軽くしてやるｗ超激 [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p>愛車ミニベロで<a rel="noopener follow" target="_blank" href="https://2021tomoziblog.com/%e3%83%9f%e3%83%8b%e3%83%99%e3%83%ad%e3%81%a7%e8%a1%8c%e3%81%8f%e6%bf%80%e5%9d%82%e5%ad%90%e3%83%8e%e6%a0%b9%e7%8f%be%e3%81%ab%e5%88%9d%e6%8c%91%e6%88%a6%e3%80%90%e6%9c%80%e5%a4%a7%e5%8b%be%e9%85%8d/">子ノ根現初挑戦</a>しまして、最大斜度２８%は足つきなしで登れないことが解ったｗゲン担ぎもあったので登りたい（何で）。トレーニングして登るのも自分のスタイルと違う。</p>



<p>ならばギヤ比だ。めちゃくちゃ軽くしてやるｗ超激坂も楽に登りたいｗ（いや、じゃー登らなくても・・・）</p>



<p>フロントダブルにしてやろーか、ディオーレのスプロケットにローギヤ５１ｔてバカでかいのもあったな、さーていかがなものか&#x2600;&#xfe0f;（押して上がればいいんじゃない？）</p>



<p><a rel="noopener follow" target="_blank" href="https://2021tomoziblog.com/%e3%83%9f%e3%83%8b%e3%83%99%e3%83%ad%e3%81%ae%e3%82%ae%e3%83%a4%e6%af%94%e3%82%92%e8%80%83%e3%81%88%e3%82%8b%e3%80%90%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e9%95%b7%e3%80%91/">以前にギヤ比を考えて</a>ましたが、超激坂は範囲外でしたｗ</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">方向性</a></li><li><a href="#toc2" tabindex="0">現在の仕様</a></li><li><a href="#toc3" tabindex="0">フロントダブル</a></li><li><a href="#toc4" tabindex="0">ディオーレ５１ｔスプロケットは？</a></li><li><a href="#toc5" tabindex="0">ギヤ比</a></li><li><a href="#toc6" tabindex="0">考えた結果</a></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading"><span id="toc1">方向性</span></h2>



<p>私のスタイルは旅がベースでスピードはあまり求めず、レース思考ではないです。荷物等積載してだいたいの道を行けて目的地に行けるような自転車にしてます（輪行も含めて）。</p>



<p>なので、スプロケットはワイドレシオでいいし、軽量化もするが強度がないとだめです。</p>



<p>スピード求めるのであればロードバイクに乗ります。ロードバイクに乗らないからトレーニングしません。</p>



<p>ではどうやって超激坂を登るか超軽い<strong>ギヤ比です。</strong></p>



<h2 class="wp-block-heading"><span id="toc2">現在の仕様</span></h2>



<p>フロントシングルでチェーンリングが楕円+-3の５０ｔ</p>



<p>リヤはマウンテンバイクコンポで１１−４６ｔ</p>



<p>ライトプロクランク 388g</p>




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<p>RIDEA楕円チェーンリング １０５ｇ</p>



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<p>ACRZボトムブラケット １４８ｇ</p>




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<p>合計６４１ｇ</p>



<h2 class="wp-block-heading"><span id="toc3">フロントダブル</span></h2>



<p>フロントダブルにするとギヤ比選び放題。</p>



<p>リヤディレイラーがマウンテンバイクコンポなのですが、フロントもマウンテンバイクコンポにしてしまうとトップ側がギヤ比低すぎるので、ロード用コンポで考えたいと思います。</p>



<p>推薦はされてないですが、リヤマウンテンバイクコンポ、フロントロード用コンポでも動きそうです。ミニベロだけにチェーンリングは大きくなります。</p>



<p>ボトムブラケット ディラエース ６５ｇ</p>



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<p>チェーンリング １０５ （５２−３６）742.6g</p>



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<p>105フロントディレーラー 89g</p>



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<p>105シフター １０５g</p>




<a rel="noopener nofollow" target="_blank" href="https://amzn.to/42uX6rK" title="Bitly" 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%2F42uX6rK?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">Bitly</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/42uX6rK" 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>ケーブル ８０ｇ（仮）</p>



<p></p>



<p>合計１０８１ｇで４４０ｇ増 結構重いな(^_^;)</p>



<p>費用も3万前後 おおいな(^_^;)</p>



<p>今のクランクのままトーケンチタンBBにすると</p>



<p>クランク３８８ｇ、チェーンリングｗ１６０ｇ、トーケンBB１５０ｇ、１０５FF８９ｇ、１０５シフター１０５ｇ、仮ケーブル８０ｇで９７２ｇ</p>




<a rel="noopener nofollow" target="_blank" href="https://amzn.to/3wa3TuS" title="Bitly" 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%2F3wa3TuS?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">Bitly</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/3wa3TuS" 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>あまり重さも費用も変わらない(^_^;)</p>



<h2 class="wp-block-heading"><span id="toc4">ディオーレ５１ｔスプロケットは？</span></h2>



<p>ディオーレにバカでかいスプロケットがあったような、交互性はあるのか？</p>



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<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="439" height="1024" src="https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678-439x1024.jpg" alt="" class="wp-image-3459" srcset="https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678-439x1024.jpg 439w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678-129x300.jpg 129w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678-768x1792.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678-658x1536.jpg 658w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240122-16331923842620326133337678.jpg 857w" sizes="auto, (max-width: 439px) 100vw, 439px" /></figure>



<p>交互性あるみたい。</p>



<p>チェーンの長さが気になる。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="467" height="1024" src="https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405-467x1024.png" alt="" class="wp-image-3460" srcset="https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405-467x1024.png 467w, https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405-137x300.png 137w, https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405-768x1682.png 768w, https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405-701x1536.png 701w, https://2021tomoziblog.com/wp-content/uploads/2024/02/image_editor_output_image681498238-17070498651675207799275995680405.png 913w" sizes="auto, (max-width: 467px) 100vw, 467px" /></figure>



<p>ちょっと<a rel="noopener follow" target="_blank" href="https://2021tomoziblog.com/%e3%83%9f%e3%83%8b%e3%83%99%e3%83%ad%e3%81%ae%e3%82%ae%e3%83%a4%e6%af%94%e3%82%92%e8%80%83%e3%81%88%e3%82%8b%e3%80%90%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e9%95%b7%e3%80%91/">計画より</a>長くなりそうだけどよしとする。</p>



<p>ディオーレスプロケット１１−５１ｔは６２２ｇ重い(^_^;)でも、今のディオーレXTスプロケットは４３７ｇでその差は１８５ｇとダブルにするより軽い。フロントダブルは４４０ｇ多くなるからな。</p>



<p>費用も8000円くらいで一番コスパいい。</p>



<h2 class="wp-block-heading"><span id="toc5">ギヤ比</span></h2>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="363" src="https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619-1024x363.jpg" alt="" class="wp-image-3461" srcset="https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619-1024x363.jpg 1024w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619-300x106.jpg 300w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619-768x272.jpg 768w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619-1536x544.jpg 1536w, https://2021tomoziblog.com/wp-content/uploads/2024/02/screenshot_20240204-21463927679487354148314619.jpg 1999w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p>超激坂を行くのであればフロントダブルがギヤ比選びたい放題で良いけれど、５１ｔスプロケット面白くない？</p>



<p>最悪シングルのままでもフロントのチェーンリングを変えることを視野に入れておけば良い。</p>



<h2 class="wp-block-heading"><span id="toc6">考えた結果</span></h2>



<p>重量、コストパフォーマンス、面白さからディオーレ５１ｔスプロケットを導入します&#x2728;</p>



<p>※メーカー公式の組み合わせではないのでできないこともありますし、後ほど不具合おきたりします。カスタムは細部に気をつけ自己責任でお願いします。</p>



<p>ミニベロにバカでかい５１ｔスプロケット・・・ぬるふふふふ</p>



<p>（おせば・・・）</p>



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