Big picture: clinging to cup-&-cone bottom brackets is going to become an expensive hobby as the parts get rarer. When your classic Dura Ace or XT spindle has pits...? I'm a foul-weather rider and have better things to do than keep tearing my bottom bracket apart in a bid to keep my Precious from getting contaminated and developing pitting. Cartridge unit, out of box, grease its threads & cup, big ratchet, Slam, Bam, Boom, cranks on, ride. And ride and ride and ride and ride and ride and ride. Remove after 4/5 years to install new type of crank on new type of BB.