This 30mm External bearing is the option you need to fit so you can use 30mm cranks in your standard Threaded Frame:

Please note, this product does not come with the BSA spanner tool, CLICK HERE to add this product.
- High Grade Enduro Ceramic bearings
- New advanced non contact Laberynth seals give buttery smooth spinning with unparalled protection against dust, water and mud
- Will fit road or mountain bike
- Only 86grams