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