European Bottom Bracket Install Step 8

As the last sleeve was too small add a few spacers and check fit again. Remember to push the cups against the sleeve and spacers to get a true mount reference. Here, with spacers added, the spacing is now too far apart. If this spacing was used, the bearings inside the cups would get pushed outwards during installation. More than likely the bearings would get pushed out in an uneven fashion, left and right sides, final fitting of crank arms and crank spacing will be thrown off plum ending in a bad overall finish. Take your time here and really work at getting this right. Working hard during this phase will prove to be time well spent as the final fit will be correct and the need to dissemble and reassemble over and over until spacing is right will be eliminated.