Seat Tube Angle vs. Effective Seat Tube Angle (simple explanation and comparison)

This post compares the differences between the actual seat tube angle and the effective seat tube angle. Definitions Seat Tube Angle (STA). The seat tube angle (STA) is the angle between the seat…

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How Does The Seat Tube Angle Affect Bike Reach? (quick answer + detailed graphs)

To fully comprehend, the effect of the seat tube angle on a bike's reach, it's necessary to first become acquainted with the involved terms. Reach. The term reach refers to the horizontal distance…

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