SHIMANO Dura Ace Bottom Bracket BBR9100 BSA

The SHIMANO Dura Ace Bottom Bracket BBR9100 BSA - Black is a threaded bottom bracket designed for use with compatible road bike cranksets. Its primary function is to provide smooth and reliable rotation for the crank assembly, supporting efficient power transfer. This model is suitable for frames with BSA (British Standard Thread) bottom bracket shells and is part of SHIMANO's Dura Ace series, known for high-precision cycling components.

• Compatible with BSA (English threaded) 68mm bottom bracket shells
• Designed for use with SHIMANO Hollowtech II road cranksets
• Sealed cartridge bearings for reduced maintenance and improved durability
• Aluminum bearing cups for lightweight construction
• Black anodized finish for corrosion resistance
• Threaded installation for secure fitment
• Part of the SHIMANO Dura Ace R9100 series
• Optimized for road cycling applications
• Includes left and right bearing cups, inner sleeve, and spacers

This bottom bracket is intended for use with 24 mm spindle diameter cranksets and is not compatible with press-fit bottom bracket shells.

Available Variants: