Yes a few grams, you`re just not totaling everything that has to be changed,
in this instance a tad over 3 grams --> http://singletrackworld.com/forum/topic/stu-mcgroos-lets-put-this-alfine-weight-issue-to-bed-once-and-for-all-thread
first bike i had, a Raleigh had the 3 speed SA, i can still...