Understanding Bike Geometry Charts

Stack and reach are measurements that describe the size and proportions of a bike measured from the center of the bottom bracket to the top of the headtube.

Stack and Reach measurements are an easy way to compare bike frames of different manufacturers. Learn how to compare frames using this method.

2016年11月22日 — 選購一台運動用的自行車，最重要的就是車架的大小是否適合騎乘者的身材。現在的車廠大部份都會提供詳細車架幾何作為挑選的依據。

2020年4月21日 — For a given reach, a greater stack puts you into a more upright riding position; your hands will be moved upwards and your body position will ...

Bicycle reach measurement is the process of determining the reach of your bike. As we mentioned earlier, it's the horizontal distance from the center of the ...

2022年6月8日 — Stack is the vertical height between the bottom bracket centre and the top of the centre of the head tube. Reach is the horizontal distance ...

2020年1月28日 — Stack measures the vertical distance from bottom bracket center to a virtual horizontal line from the top of the head tube. Many experienced ...