Adjusting the Saddle Height on a Bicycle (Road Bike or Hybrid Bike)
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This is a saddle height calculator for road bikes and hybrid bikes. You can calculate an approximate saddle height based on your height or inseam measurement.
In this formula, “saddle height” refers to the distance from the saddle seat to the center of the bottom bracket (BB).
(Center of the bottom bracket (BB) = the point where the pedal arms are bolted to the frame.) The formula is as follows.
The inseam calculation coefficient and saddle height calculation coefficient are set to standard values by default.
Values around 0.860–0.885 are commonly used as coefficients.
In practice, crank length (the length of the arm to which the pedals are attached) must also be taken into account, so you’ll need to fine-tune the calculated value based on this guideline.
Saddle Height (Calculated from Height) = Height (Actual Measurement) × Inseam Calculation Coefficient × Saddle Height Calculation Coefficient
Saddle Height (Calculated from Inseam) = Inseam (Actual Measurement) × Saddle Height Calculation Coefficient
(Center of the bottom bracket (BB) = the point where the pedal arms are bolted to the frame.) The formula is as follows.
The inseam calculation coefficient and saddle height calculation coefficient are set to standard values by default.
Values around 0.860–0.885 are commonly used as coefficients.
In practice, crank length (the length of the arm to which the pedals are attached) must also be taken into account, so you’ll need to fine-tune the calculated value based on this guideline.
Saddle Height (Calculated from Height) = Height (Actual Measurement) × Inseam Calculation Coefficient × Saddle Height Calculation Coefficient
Saddle Height (Calculated from Inseam) = Inseam (Actual Measurement) × Saddle Height Calculation Coefficient
| Saddle Height (Calculated from Height) | cm |
| Saddle Height (measured from the crotch) | cm |
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