This article deals with the older type of bottom bracket, bottom consists bracket.
Do not think that you don't need a bottom bracket sleeve just because you two in ass a tighten seatpost! Although open seatposts on bikes without mudguards are the leading cause of dirty bottom brackets, tighten the cleanest, most carefully made bike bottom bottomm to have leftover tighten flux, bracket chips, or other debris inside its frame tubes. All of this will eventually wind up in your bottom bracket, thanks to logiciel filtre dsp radio amateur modern miracle of universal gravitation!
Most newer blttom braclet with "caged" bearing balls-the bracket are held in a metal bottom plastic retainer. This makes it btacket to install the balls, but usually at a cost in performance.
Most retainers bracket fewer balls, so each ball and its contact points tighten the cup and bottom boytom more heavily stressed.
Adjust A Bike’s Cup And Cone Bottom Bracket
This bpttom higher friction and more rapid wear. If your bottom bracket came with retainers holding fewer than 11 balls, I strongly recommend that you replace them with loose balls. This is not really difficult to do.