Black Bearing Ceramic bottom bracket
Colour2
Product details
The ceramic bottom bracket housing from Black Bearing offers an innovative solution for demanding cyclists. The precision-machined aluminum shells are tightly screwed together, ensuring optimal alignment of the housing. This construction not only reduces creaking noises but also enhances the smoothness and overall performance of the bottom bracket. Thanks to the high-quality ceramic bearings, the lifespan of the components is significantly increased, ensuring reliable use. Additionally, the thoughtful design allows for easy replacement of the bearings, simplifying maintenance. The bottom bracket housing comes with a mounting key to facilitate installation.
- Reduces creaking noises for a quieter riding experience
- Improves the smoothness and performance of the bottom bracket
- Increases the lifespan of the bearings through high-quality materials
- Allows for easy replacement of the bearings.
Axis compatibility | 30mm |
Box width | 73 mm |
Axis diameter | 30 mm |
Item number | 59540551 |
Manufacturer | Black Bearing |
Category | Bottom brackets |
Manufacturer No. | BB-46-73A-30-C |
Release date | 20.6.2025 |
Colour | Black |
Exact colour description | Black |
Bottom bracket design | Bolted bearing shells |
Axis compatibility | 30mm |
Box width | 73 mm |
Axis diameter | 30 mm |
Country of origin | France |
CO₂ emissions | 0.46 kg |
Climate contribution | CHF 0.11 |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?
Source: Digitec Galaxus- Black BearingNot enough data
- 1.Sram0.3 %
- 2.Shimano0.5 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- Black BearingNot enough data
- 1.Shimano0 days
- SramNot enough data
Return rate
How often is a product of this brand in the «Bottom brackets» category returned?
Source: Digitec Galaxus- Black BearingNot enough data
- 1.Shimano4 %
- 2.Sram4.2 %

