Product Description
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)