Mechanical sounds: Listen & Download Mechanical sounds .mp3 Error! Change your browser, please! ⇓ Download Bicycle hand pump ⚠ Off, on, Hydraulic mechanism ⚠ Lower chains, Drawbridge ⚠ Chain hoist, Chain ⚠ Hand winch ⚠ Drawbridge raise chains ⚠ Foot pump inflating a mattress ⚠ Kick the bike speed switch ⚠ Small hydraulic gear ⚠ Mechanical sounds ⚠ ★★★★★