About Ebykr
Ebykr celebrates classic and vintage lightweight bicycles through provoking imagery and opinion. Let's roll together!
About Ebykr
Ebykr celebrates classic and vintage lightweight bicycles through provoking imagery and opinion. Let's roll together!
Annular Bearing Bottom Bracket (1948)

A high-performance bottom bracket assembly utilizing precision annular bearings. Maury’s use of maintenance-free, high-precision bearings in 1948 preceded modern cartridge standards by decades, offering a smoother ride for the endurance specialist.