Black Bearing bottom bracket ceramic bearing PressFit 46 68 - 73 mm Shimano Hollowtech II 24 mm spindle and GXP adapter included BB-46-68/73-24-C

BLACKBEARING BB-46-68/73-24-C Bottom Bracket – 46 mm (68/73 mm, 24 mm & GXP, Ceramic)

EAN: 3760290190368
Product Code: BB-46-68/73-24-C
Brand: BLACKBEARING
Type: Press-Fit Bottom Bracket
Shell Diameter: 46 mm
Shell Width: 68 / 73 mm
Crank Compatibility: 24 mm & SRAM GXP
Bearing Type: Ceramic (CERA)

The BLACKBEARING BB-46-68/73-24-C is a high-quality sealed press-fit bottom bracket designed for multiple crank standards, including 24 mm Shimano Hollowtech II-type and SRAM GXP cranksets. Featuring premium ceramic (CERA) bearings, it delivers exceptionally low friction, smooth rotation, and long-lasting performance for demanding riders.

The sealed construction helps protect the bearings from dirt, moisture, and contaminants, ensuring reliable operation in both road and off-road conditions.

KEY FEATURES

• High-quality BLACKBEARING bottom bracket
• 46 mm press-fit system
• Compatible with 68 mm (road) and 73 mm (MTB) shell widths
• Compatible with 24 mm and SRAM GXP crank spindles
• Ceramic (CERA) bearing technology
• Extremely low rolling resistance
• Smooth and efficient power transfer
• Durable and reliable performance
• Sealed design for protection against dirt and moisture
• Suitable for road and MTB applications

TECHNICAL SPECIFICATIONS

• Brand: BLACKBEARING
• Product Code: BB-46-68/73-24-C
• EAN: 3760290190368
• Type: Press-Fit Bottom Bracket
• Shell Diameter: 46 mm
• Shell Width: 68 / 73 mm
• Crank Compatibility: 24 mm & SRAM GXP
• Bearing Type: Ceramic (CERA)
• Sealing: Sealed cartridge system
• Application: Road / MTB

COMPATIBILITY

• 46 mm press-fit frame standards
• 68 mm road bottom bracket shells
• 73 mm MTB bottom bracket shells
• Shimano Hollowtech II-type 24 mm cranksets
• SRAM GXP cranksets
• Not compatible with 30 mm spindle systems

Compatibility should always be verified according to the frame and crankset manufacturer's specifications.

APPLICATIONS

Suitable for, among others:

• Road bicycles
• MTB bicycles
• Gravel bicycles
• Cyclocross bicycles
• Performance-oriented builds
• Racing applications
• Training bicycles
• E-bike systems using compatible cranksets
• Replacement and upgrade projects

IN PRACTICE

The BLACKBEARING BB-46-68/73-24-C bottom bracket uses premium ceramic bearings to significantly reduce friction and improve pedaling efficiency. It is designed for riders who prioritize performance, smoothness, and long-term reliability in both road and MTB applications.

The ceramic bearing technology helps maximize drivetrain efficiency while minimizing energy loss. Combined with the sealed cartridge design, the system offers excellent protection against contamination and moisture, ensuring smooth operation and extended service life even under demanding riding conditions.