Seymour Duncan Rickenbacker Bass (SRB-1) – SetOur Rickenbacker replacement pickups add output and hum cancellation to 4000 series Ric basses. Great for all styles of music! We moved the Rickenbacker bass tone from great to downright amazing! The bridge pickup uses Alnico 5 magnets to add power and sustain for those wanting a bigger push without tonal coloration. The result is slightly larger than the stock bridge pickup, so the original chrome mounting ring cannot be used with it. We supply a