+1
I used these GBR640 Res-o-lites too on the BaCHbird Deluxe.
They even fitted in the original bushings that were on the bass.
The
GBR640 are reverse wind nickel plated lightweight tuners.
On two other bass guitars that I own, I have
GB528 tuners installed. Those are even lighter because they have a smaller mount plate.
Yet they still have the large gear and big clovers.
The Gotohs are rock solid and they run very smooth.