I would raise the BB for an even straighter chain line (no roller), build a more laid back seat back Angle (for butt comfort) and rebuild the stem for shorter tiller.

我想提高信誉栏的甚至直链线(无滚子)，建立一个更加悠闲椅背角度(为枪托舒适)和重建干较短分蘖。

youdao

I would raise the BB for an even straighter chain line (no roller), build a more laid back seat back Angle (for butt comfort) and rebuild the stem for shorter tiller.

我想提高信誉栏的甚至直链线(无滚子)，建立一个更加悠闲椅背角度(为枪托舒适)和重建干较短分蘖。

youdao