Piston and bicycle: what they have in common

1. Step 1. Piston — is part of — Shock absorber. Inside, a piston moves in oil.
2. Step 2. Shock absorber — is part of — Suspension fork. A shock absorber.
3. Step 3. Suspension fork — is part of — Bicycle. On mountain bikes a suspension fork absorbs bumps.

Open Evothings