WHEELS Mfg PF30 Outboard Bottom Bracket

Yes, this is designed specifically for frames with a PF30 or Specialized Carbon OSBB shell with a 46mm inner diameter. It is compatible with shell widths ranging from 61mm to 73mm.

Absolutely. This bottom bracket is engineered to adapt standard 24mm spindle cranks into PF30 frames, allowing you to use your preferred crankset without compatibility issues.

Unlike standard press-fit systems that rely on a friction fit, this unit features two machined aluminum cups that thread together. This locks the assembly securely into the frame, which significantly reduces the movement that typically causes creaking.

The Enduro ceramic hybrid bearings are designed for durability and smooth operation, but they are not maintenance-free. You should periodically check for play or roughness, just as you would with standard bearings, though the threaded design makes replacing them much easier than pressing out traditional bearings.

Yes, you will need a bottom bracket tool with a 44mm, 16-notch pattern to tighten the cups. This is a standard tool size found in most bike shops and home mechanic kits.