

-Weight reduced to compensate for the greater weight of the transmission system
-19.3 g (SM-BB93 vs. SM-BB90A)
-18.5 g (SM-BB94-41A vs. SM-BB91-41A)
-Rotation at very low friction
-Sigilli more effective
-adjusted Robustness for MTB
-For telai of a variety of typologies
-SM-BB94-41A per mov. central press-fit
-58 gr. (SM-BB94-41A)
-89.5mm/92mm box diameter