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Time Trial Aero Position Optimization Guide

裝備介紹

Why Aerodynamics Matters

  • Wind resistance accounts for 80-90% of total drag
  • Reducing wind resistance by 10% ≈ increasing speed by 2-3%

Three Key Position Elements

Torso Position

  • 45-55 degree tilt (relative to the horizontal plane)
  • Handlebars lowered to 3-6 cm below the saddle

Arms and Head

  • Elbows bent at 90-100 degrees
  • Forearms parallel to the ground
  • Neck neutral, gaze slightly lowered

Leg Position

  • Knees directly above the pedal axle
  • Thighs vertical or slightly tilted forward

Handlebar Type Selection

Handlebar Type Best For
Drop bars Flat race courses
Extension bars Varied terrain
Professional triathlon bars Serious racers

Note

An overly aggressive position may reduce power output; a balance must be struck between wind resistance and power.

Conclusion

Systematically test different positions to find your personal optimal balance of speed and comfort.

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