Black Bearing bottom bracket ceramic bearing T47 threaded 86 - 92 mm SRAM DUB 28.99 mm spindle BB-T47-86/92-D-C

BLACKBEARING T47 86/92 DUB Ceramic Bottom Bracket

The BLACKBEARING BB-T47-86/92-D-C is a premium ceramic bottom bracket designed for frames with a T47 threaded bottom bracket shell (86–92 mm width) and SRAM DUB cranksets with a 28.99 mm spindle. Featuring high-quality ceramic bearings, it delivers extremely low rolling resistance, improved drivetrain efficiency, and long-lasting durability.

Key Features

• T47 threaded bottom bracket standard
• Compatible with SRAM DUB 28.99 mm spindle cranksets
• High-performance ceramic bearings
• Low friction for maximum efficiency
• Smooth and reliable operation
• Durable and corrosion-resistant construction
• Suitable for road, gravel, and MTB applications
• Threaded design for secure, creak-free performance

Technical Specifications

Compatibility

• T47 threaded frames
• 86–92 mm bottom bracket shell width
• SRAM DUB cranksets with 28.99 mm spindle

In Practice

Designed for riders seeking maximum drivetrain efficiency and durability, the BLACKBEARING T47 DUB Ceramic Bottom Bracket combines the reliability of a threaded T47 interface with the low-friction performance of ceramic bearings. The result is smooth pedaling, improved power transfer, and long-term performance in all riding conditions.