Convert any threaded frame to accept a 30mm axle.
Road or MTB compatible.
English BSA Thread
Use this BSA threaded BB to convert BSA threaded bottom bracket to accept a 30mm axle crank
This 30mm External BSA bearing is the option you need to fit so you can use 30mm axle cranks in your standard BSA Threaded Frame.
- New advanced non contact Labrynth seals give buttery smooth spinning with unparalled protection against dust, water and mud
- Suitable for both Road and MTB using the same bearing
- Only 90grams
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