I think he means the actual BBs. I seem to remember the GXP has some kind of bearing/seal related centering system?
I've only run Shimano, FSA and RaceFace in my Shimano external BBs.
@Emyr started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I think he means the actual BBs. I seem to remember the GXP has some kind of bearing/seal related centering system?
I've only run Shimano, FSA and RaceFace in my Shimano external BBs.