Name: Episode 13 — Bicycle Helmets, Aluminum, Car Brakes, Lithium Batteries
Released: 2001-03-31
Duration: 21 min
Rating: 10

How It’s Made (2001 – 2019)

2001 • 32 seasons • Documentary • TV-G

On August 7, 2026

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Episode 13 — Bicycle Helmets, Aluminum, Car Brakes, Lithium Batteries

Released: 2001-03-31 • Documentary

100%

User score

This episode demonstrates the production processes for bicycle helmets, lithium batteries, car brakes and aluminum, and shows how each is made.

Episode 13 — Bicycle Helmets, Aluminum, Car Brakes, Lithium Batteries