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Team Cycles£29.99Visit shop Bbb Cycling Unisex Silver Bbb Bottombear Bb30 Bottom Bracket - 42Mm X 30Mm X 7Mm
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The BBB BottomBear BB30 Bottom Bracket is for cyclists seeking to upgrade their bike's drivetrain with a durable and smooth-rolling component. Its key benefit is the use of high-quality chrome steel bearings, offering reliable performance and longevity. A potential consideration is its specific compatibility with the BB30 standard, requiring a 30mm crank axle and a BB30 shell.
| Model Part Number | 2905571901 |
|---|---|
| Brand | BBB |
BB30 refers to a specific bottom bracket standard characterized by a 68mm or 73mm wide shell and a 42mm inner diameter, designed to accommodate cranksets with 30mm diameter spindles.
No, this bottom bracket is specifically designed for cranksets with a 30mm spindle diameter and will not be compatible with 24mm spindles.
You can check your bike's specifications or measure the inner diameter of your current bottom bracket shell. A BB30 shell typically has an inner diameter of 42mm and is designed for 30mm crank axles.
The wave washer is included to take up any slight variations in the bottom bracket shell or crankset, providing pre-load to the bearings and ensuring a snug, stable fit, which helps prevent play and noise.
The lifespan of bearings depends heavily on riding conditions, maintenance, and load. However, the high-quality chrome steel bearings and protective shields are designed for durability under normal use.
Yes, installation of BB30 bottom brackets requires specialized press-fit tools designed for this standard. It is recommended to have these installed by a professional bike mechanic if you do not have the necessary tools.
The bearings may be contaminated or worn. Ensure the bearing shields are intact and free from debris. If the issue persists, the bearings may require replacement.
Check that the wave washer is correctly installed and providing adequate tension. Ensure the crankset bolts are tightened to the manufacturer's specifications.
This can be caused by improper installation, dirt, or worn bearings. Ensure the bottom bracket shell is clean and that the unit is properly seated. Check crank arm bolts and pedal threads for tightness. If creaking persists, professional inspection is recommended.
Verify that you are using the correct BB30 press-fit tools and that the frame's bottom bracket shell is clean and within the specified tolerances. Do not force the component during installation.
Compatibility: This bottom bracket is exclusively designed for bicycles featuring the BB30 bottom bracket shell standard. It requires a crankset with a 30mm diameter axle. It is compatible with frames having a BB30 shell width of either 68mm or 73mm.
Setup: Installation requires specialized tools for BB30 bottom brackets. Ensure the frame's bottom bracket shell is clean and free of debris. Press the bearings into the shell using a suitable press. Install the crankset with its 30mm axle, ensuring the wave washer is correctly positioned to provide proper tension and alignment.
Care: To maintain optimal performance and longevity, regularly clean the exterior of the bottom bracket. Avoid high-pressure washing directly at the seals. Periodically check for any signs of play or rough rotation in the bearings. If contaminants are suspected, professional cleaning or replacement of the bearings may be necessary.
