Black Bearing bottom bracket ceramic bearing BSA english thread 68 - 73 mm SRAM DUB 28.99 mm spindle BB-BSA-68/73-D-C

BLACKBEARING Ceramic BSA 68/73 DUB Bottom Bracket

EAN: 3760290195660
SKU: BB-BSA-68/73-D-C
Brand: BLACKBEARING
Type: Threaded Bottom Bracket – BSA / DUB / Ceramic Bearings

The BLACKBEARING BB-BSA-68/73-D-C is a premium-quality ceramic bearing bottom bracket developed for BSA threaded frames and SRAM DUB cranksets. Designed for 28.99 mm DUB spindle systems, it provides excellent compatibility with road, gravel, and MTB applications.

The ceramic bearings deliver reduced friction, smoother rotation, and improved power transfer efficiency, while the precision construction and high-quality materials ensure long-lasting performance even under intensive cycling conditions.

The CNC-machined aluminum cups, premium ceramic bearings, and DUB compatibility create a high-performance bottom bracket offering maximum smoothness, reliability, and durability.

Key Features

• Premium BLACKBEARING quality
• BSA threaded bottom bracket system
• Compatible with SRAM DUB cranksets (28.99 mm spindle)
• Ceramic bearings for maximum rolling efficiency
• Reduced friction and improved power transfer
• CNC-machined aluminum cups
• Precision manufacturing and assembly
• Long service life and reliable operation
• Suitable for road, gravel, and MTB use

Technical Specifications

Applications

• Road bikes
• Gravel bikes
• MTB bikes
• SRAM DUB crankset systems
• Performance-oriented cycling applications

In Practice

The BLACKBEARING BB-BSA-68/73-D-C is an ideal choice for riders looking to achieve lower resistance and smoother operation compared to standard steel bearing bottom brackets. The ceramic bearings provide enhanced rolling efficiency, helping to improve drivetrain performance and pedaling smoothness.

The precise BSA threaded design, DUB compatibility, and premium ceramic bearing technology create a bottom bracket that delivers reliable performance for racing, training, and everyday cycling use.