Pressing headset bearings and bottom brackets into a frame isn't as easy as you might like it to be. Sometimes they don't want to go in straight, sometimes they don't want to go in at all. ...
9 Piece Bottom Bracket Set Includes: 2 Sealed Bearings - (Mid frame bb's do not have cups, the bearing pushes into the frame) Bearing Diameter: Approx 1.62" = 1 5/8" = 41.28mm Cone Spacers...