Sew one more strap to the bottom of one of the sides to connect to the seat tube.

缝纫一更肩带，以底部的其中一个双方连接到鞍管。

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To finish this Seat Tube assembly we need to make provisions for the chain pulley mount.

要完成这个席位管组装我们需要作出规定安装的链轮。

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When people speak of bicycle frame sizes, they generally speak in terms of the seat tube length.

人们谈到车架尺寸时，通常是按照立管尺寸来计算的。

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So when I got my custom bike, I told Seven Cycles this and they built in an oversized seat tube to add rigidity for my standing pedal stroke, an efficiency increase.

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The bike is a beauty: red and black, with flames painted on the down tube and seat.

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Its distinguishing feature was an overlong top tube the horizontal bar that runs just below the seat and the handlebars.

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