What is the difference between pf30 and bb30?

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Tags

1. #available
2. #frames
3. #against
4. #adaptor
5. #shell
6. #adaptors
7. #designed
8. #outer
9. #spindle
10. #similar
11. #cranksets
12. #standard
13. #cranks
14. #stops
15. #permit
16. #diameter