Bike Fit Comparator
Compare LeMond, Hamley, and Nordeen Methods
Stand barefoot with feet 15-20cm apart. Pull a book firmly up into your crotch (simulating saddle pressure) and measure from the top of the book to the floor.
Your Recommended Heights
| Method | Result | Where to Measure |
|---|---|---|
| LeMond MOST POPULAR Inseam × 0.883 | — |
Start: Center of Bottom Bracket
End: Top of Saddle (Center) |
| Hamley (109%) Inseam × 1.09 | — |
Start: Pedal Axle (at bottom stroke)
End: Top of Saddle |
| Nordeen Inseam × 0.885 | — |
Start: Center of Bottom Bracket
End: Top of Saddle (Center) |
💡 Component Buying Tip
If buying a new seatpost, ensure it is long enough. Take the LeMond result, subtract your bike’s Seat Tube Length, and add 100mm for safety insertion.
Which method should I choose? ▾
- LeMond (0.883): The industry standard for road bikes. It includes the crank length in the average, usually providing a safe, efficient starting point.
- Hamley (109%): Often used for Time Trials or Triathlons. It creates a very powerful leg extension. Because it measures from the pedal, it accounts for your specific crank length automatically.
- Nordeen (0.885): A variation of LeMond for riders who prefer a slightly more extended leg or are riding mountain/gravel bikes with thicker pedal/shoe combinations.
The “Heel Check” (No Math Required) ▾
Regardless of the math, always verify with the Heel Method:
- Put on your cycling shoes and sit on the bike (hold onto a wall).
- Place your heel on the pedal.
- Pedal backward to the bottom (6 o’clock position).
Result: Your leg should be fully straight (locked out) without your hips rocking. If your knee is bent, raise the saddle. If you have to rock your hips to reach, lower it.