Cycling: Aerodynamics, Power Output, and Peloton Dynamics

Status: draft · Confidence: medium (0.625) · Basis: verified_sources

Quality notes: placeholder_content, generic_source_homepage

## TL;DR

At 40 km/h, aerodynamic drag ≈ 90% of resistance. Drafting reduces drag 27-40% (peloton: up to 95% for protected riders). Pros sustain 400-450W (FTP), surge to 1,500-2,000W sprints. Tour de France: 3,500km, 120,000+ kcal expenditure.

## Core Explanation

Forces: drag = 0.5ρCdAv², rolling resistance (Cr=0.002-0.005), gravity (5% grade = 80% resistance). CdA pro cyclist 0.20-0.25 m². Power zones 1-7. Peloton dynamics: front riders experience 30-40% higher drag. CP concept: hyperbolic power-duration. TdF record speed 41.7 km/h (Vingegaard 2022). Hour record 56.792 km (Ganna 2022).

## Detailed Analysis

[待后续补充。]

## Further Reading

- [Source 1 — Cycling: Aerodynamics, Power Output, and Peloton Dynamics](https://www.uci.org/)

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