SHIMANO XTR – Bottom Bracket – Press-Fit – HOLLOWTECH II – 89.5/92 mm shell width

With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options.

FEATURES

Lightweight to offset weight disadvantage of drivetrain
-19.3g (SM-BB93 vs. SM-BB90A)
-18.5g (SM-BB94-41A vs. SM-BB91-41A)
Smoother rotation
Better sealing performance
Durable enough for mountain bike usage
Fits various frame designs
SM-BB93 for threaded bottom bracket
SM-BB94-41A for press-fit bottom bracket
Weight: 73g (SM-BB93) 58g (SM-BB94-41A)