If you don’t know how to calculate Seatpost size, replacing your bicycle dropper can be a daunting task. The importance of a good Seatpost in achieving a comfortable ride cannot be overstated. It also improves your bike’s aerodynamics and usability. The Seatpost is one of the most underappreciated parts of the bike, despite its importance in terms of efficiency and performance. The improper size not only ruins the bike’s frame but can also cause back pain. So, how do you figure out what size Seatpost you need to avoid all of this? We’ve put together a step-by-step guide to show you how to properly measure your saddle post so you can get the most out of your workout.
To figure out the right size, you first need to find your top tube length. This is the horizontal tube that connects both your seat and your handlebars. It’s generally measured from the center of the bottom bracket to the top of the seat post clamp. Once you have an accurate measurement, all you have to do is look for a post with a similar, if not identical, measurement. There are multiple brands that manufacture bicycle droppers, and each brand has its own sizing chart available online and on its packaging.
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