• Graeme Obree method: crank length = 0.95 * height
  • “Machine” method: crank length = 1.25 * inseam + 65
  • Lennard Zinn method, upper end: crank length = 2.16 * inseam
  • Lennard Zinn method, lower end: crank length = 2.10 * inseam
  • Bill Boston method: crank length = 1.85 * femur height

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