街中でいい感じで走ろうとしているのはいいけど、回転数が低すぎる。なぜ5,000rpm以上を使わないのか。

Default Widget

This is Sidebar 1. You can edit the content that appears here by visiting your Widgets panel and modifying the current widgets in Sidebar 1. Or, if you want to be a true ninja, you can add your own content to this sidebar by using the appropriate hooks.