Add threads to a PF30 frame.
While bottom bracket standards, driven by carbon fiber frame designs, have experienced a whirlwind of new sizes, the 68/73mm, English threaded bottom bracket continues to offer plenty of strength and reliability. The TruVativ PressFit 30 to BSA adapter lets you use those traditional cranks and bottom brackets in frames with Press Fit 30 shells.
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works as expected. No complaints.
Best GXP/BSA External PF30 Adapter
I used this on a new bike I got with a PF30 type BB so I could keep using my GXP/BSA Cranks until I could afford some BB30 cranks. There are a few out there but this one is legit, composite material, works perfectly. In my photo you can see how it basically just sits/looks like a bb spacer. If you need to use spacers with your cranks just use them the same way you would on your regular BSA English threaded bbs shell.