Black Ops American to Threaded (BSA/Euro) BB Adapter. Features:
- Adapts American/Pro BMX frames with a non-threaded 51.3mm (2.02″) ID bottom bracket shell to accept English-threaded bottom bracket & crank applications
- Aluminum with 4 steel connecting bolts to prevent independent rotation
| Specs: |
| Adapts: |
American/Pro BMX bottom bracket shell |
| Accepts: |
68mm English-threaded (BSA) |