For bass piezo bridges, there's the Schaller Bass 2000 series. Also Graphtec Ghost bass piezo saddles for P-style, ABM or Hipshot A style bridges (you can get the A-style complete with the piezo saddles from Hipshot). Those seem to be the main ones.
For bass piezo bridges, there's the Schaller Bass 2000 series. Also Graphtec Ghost bass piezo saddles for P-style, ABM or Hipshot A style bridges (you can get the A-style complete with the piezo saddles from Hipshot). Those seem to be the main ones.