Black Bearing bottom bracket steel bearing PressFit BB 42 68 - 73 mm Shimano Hollowtech II 24 mm spindle and GXP adapter included BB-42-68/73-24-B5

BLACKBEARING B5 PressFit Bottom Bracket – 42 mm – 68/73 mm – 24 mm & GXP

EAN: 3760290190030
Part Number: BB-42-68/73-24-B5
Brand: BLACKBEARING
Type: PressFit Bottom Bracket

The BLACKBEARING BB-42-68/73-24-B5 is a high-quality PressFit bottom bracket designed for frames with a 42 mm bottom bracket shell diameter and cranksets featuring a 24 mm spindle or SRAM GXP interface. Equipped with BLACKBEARING B5 steel bearings and precision-machined aluminum cups, it delivers smooth operation, excellent durability, and reliable performance for both road and mountain bike applications. The threaded cup-to-cup design improves alignment and reduces the risk of creaking while extending bearing life.

Key Features

• Premium BLACKBEARING B5 bearings
• PressFit 42 standard
• Compatible with 24 mm spindle cranksets
• Compatible with SRAM GXP cranksets using the supplied adapter
• Precision-machined aluminum cups
• Threaded cup-to-cup construction for improved alignment
• Reduced friction and smoother operation
• Improved bearing longevity
• Easy bearing replacement
• Excellent sealing against water and contaminants
• Installation tool included

Technical Specifications

Compatible Cranksets

• Shimano Hollowtech II (24 mm)
• SRAM GXP
• Truvativ GXP
• FSA MegaExo 24 mm
• Rotor 24 mm
• Other 24 mm spindle cranksets

Applications

• Road bikes
• Gravel bikes
• Mountain bikes
• Cyclocross bikes
• Performance and endurance bicycles

In Practice

The BB-42-68/73-24-B5 is an excellent choice for riders seeking a durable and reliable PressFit bottom bracket. The two precision-machined aluminum cups screw together inside the frame, improving shell alignment and reducing creaking. Combined with BLACKBEARING B5 bearings and effective sealing, the system provides smooth pedaling performance, long service life, and easy maintenance.