The Shimano XTR BSA Hollowtech II Bottom Bracket SM-BB93 is a premium drivetrain component designed to deliver smooth bearing performance, reliable crank support, and efficient power transfer for high-performance mountain bike setups. Built as part of Shimano’s XTR series, it is engineered for riders who demand lightweight efficiency, durability, and dependable drivetrain function on challenging terrain. Designed for BSA threaded frames and Shimano Hollowtech II cranksets, it provides a secure and stable interface for consistent pedaling performance. Ideal for upgrades, replacements, or high-end bike builds, the SM-BB93 offers the refined quality and trusted performance expected from Shimano XTR components.
FEATURES
Shimano XTR Performance
Part of Shimano’s premium XTR range, delivering lightweight efficiency, dependable durability, and refined drivetrain performance for demanding riders.
BSA Threaded Design
Built for BSA threaded frame standards, providing secure installation and a stable connection between the frame and crankset.
Hollowtech II Compatibility
Designed for use with Shimano Hollowtech II cranksets, ensuring reliable integration and efficient drivetrain operation.
Smooth Bearing Performance
Engineered to support smooth crank rotation and consistent pedaling feel for better riding efficiency and long-term reliability.
Efficient Power Transfer
Helps maintain drivetrain stiffness and stability, supporting effective power delivery during technical climbs, fast efforts, and demanding trail use.
Ideal for Upgrade or Replacement
A strong choice for servicing a worn bottom bracket or completing a premium mountain bike build with trusted Shimano quality.