Ultra-fast Answer: Downhill bikes have slacker seat tube angles to preserve their slack head tube angles and short reach all while protecting the rider from flipping over the handlebars by…
This post examines the seat tube angle's effect on a BMX frame. Seat tube angle The seat tube angle (STA) is formed by a horizontal line passing through the middle…
Ultra-fast answer: The average effective seat tube angle of touring bikes is 73.4°. Thus, it's neither steep nor extremely slack. By keeping the seat tube angle conservative and balanced, touring…
Ultra-fast Answer: The vast majority of tri bikes have a seat tube angle of around 78°. This angle allows the rider to assume the horizontal back position that tri bikes…
This post explains the connection between the seat tube angle and the position of the saddle. There are two seat tube angles - the effective seat tube angle and the…
Effective Seat Tube Angle Steeper seat tube angles put the rider closer to the bottom bracket and give the legs a more advantageous position to press down the pedals. The…
This post investigates the relationship between different seat tube angles and knee pain. First, let's begin with the definition of a seat tube angle. The seat tube angle (STA) is the angle…
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…
This post will reveal how one can affect the effective seat tube angle without getting a new frame. First, let's present a couple of important definitions that will make the…
Ultra-fast Answer: A seat tube angle between 73° and 75° is the norm for a hardtail today. The most common number seems to be 73.5°. Those values preserve both the…