FSA BB30 Bearings

These bearings are designed for standard BB30 systems that utilize a 30mm spindle and the 30x42x7mm bearing dimensions. If your frame or crankset uses a different standard, such as PF30 or BB386EVO, these will not fit.

Yes, the package includes a pair of bearings, which is exactly what you need to service both the drive-side and non-drive-side of your bottom bracket.

Stainless steel is a practical choice for bottom brackets because it offers a strong balance of durability and corrosion resistance. It is less prone to rust than standard steel, which helps maintain smooth performance even if moisture enters the bottom bracket shell.

Yes, installing BB30 bearings typically requires a bearing press tool to ensure they are seated squarely and evenly into the frame. Using a hammer or makeshift tools can damage the bearings or the frame, so a proper press is highly recommended.

You should consider replacing them if you feel grinding or roughness when rotating the cranks by hand, or if you notice side-to-side play in the crankset that cannot be fixed by adjusting the preload. These symptoms usually indicate that the internal races or seals have worn out.