SHIMANO Xtr Bottom Bracket BSA 68/73mm SMBB93

The SHIMANO Xtr Bottom Bracket BSA 68/73mm SMBB93 - Black is a threaded bottom bracket designed for use with compatible SHIMANO XTR cranksets. It is intended for mountain and road bicycles that utilize BSA (British Standard Thread) bottom bracket shells with widths of 68mm or 73mm. This component provides a secure interface between the crankset and the bicycle frame, supporting efficient power transfer and smooth rotation.

• Brand: SHIMANO
• Model: Xtr SMBB93
• Thread type: BSA (British Standard Thread)
• Shell width compatibility: 68mm or 73mm
• Color: Black
• Designed for use with SHIMANO Hollowtech II cranksets
• Sealed cartridge bearings for durability
• Material: Aluminum cups
• Includes left and right bearing cups, inner sleeve, and spacers

This bottom bracket is compatible with frames that have English-threaded bottom bracket shells and is commonly used in high-performance cycling applications.

Available Variants: