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