Black Bearing bottom bracket stainless steel bearing PressFit PF 46 68 - 73 mm SRAM DUB 28.99 mm spindle BB-46-68/73-D-S

BLACKBEARING BB-46-68/73-D-S Bottom Bracket – 46 – 68/73 – DUB – B5 Stainless

EAN: 3760290195646
Brand: BLACKBEARING
Type: Bottom Bracket – DUB Compatible – Stainless Steel (B5)

The BB-46-68/73-D-S is a high-performance bottom bracket designed for durability, smooth pedaling efficiency, and long service life. Built for DUB crank systems, it is optimized for 46 mm frame standards with compatibility for 68/73 mm bottom bracket shell widths. The stainless steel B5 bearings provide excellent corrosion resistance and reliable performance even in harsh riding conditions.

Key Features

• Premium BLACKBEARING B5 stainless steel bearings
• DUB crankset compatibility
• 46 mm press-fit standard
• Compatible with 68 mm and 73 mm bottom bracket shells
• 28.99 mm DUB spindle diameter
• High corrosion resistance (stainless steel construction)
• Low friction and smooth rotation
• Optimized sealing against dirt and moisture
• Durable design for intensive cycling use
• Long service life and consistent performance

Technical Specifications

Applications

• Road bikes
• Mountain bikes (MTB)
• Gravel bikes
• Cyclocross bikes
• Performance and endurance cycling setups
• DUB crank systems requiring 46 mm press-fit standard

In Practice

The BB-46-68/73-D-S is an ideal choice for riders seeking maximum durability and smooth drivetrain efficiency. The stainless steel B5 bearings offer outstanding resistance to corrosion and contamination, making it especially suitable for wet, muddy, or high-mileage conditions. A reliable upgrade or replacement solution for compatible DUB systems.