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