Find your perfect crank length.
The right crank length can transform how you ride, improving comfort, efficiency, and even power output.
Our calculator helps you find your optimal fit based on your inseam measurement, combining the latest biomechanical research with real-world experience from professional riders.
Why it matters
Crank length influences your entire pedaling dynamic, from joint angles to power transfer.
Shorter cranks tend to open the hip angle, reduce knee stress, and allow a smoother, more aerodynamic position, especially on modern performance bikes.
Longer cranks may increase leverage but often bring diminishing returns in power and comfort.
Recent studies and pro trends show many riders moving toward 165 mm or even shorter setups, optimizing efficiency without sacrificing watts.
Ultimately, the goal is to find the sweet spot where biomechanics, comfort, and performance align.
How to use it
- Measure your inseam (in centimeters).
- Move the slider to match your measurement.
- Instantly get your recommended crank length.
You will also receive your personalized result and our Crank Length Guide by email.
