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