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Specifications

  • Bearing Number: 6901
  • Inner Diameter: 12mm
  • Outer Diameter: 24mm
  • Width: 6mm
  • Series: Standard Design
  • Seal Type: Dual-lip labyrinth
  • Grease: Mobilux NGLI 2 synthetic (90% fill)
  • Application: Compact headsets, hubs, small pivots

FAQ

Where is the 6901 most commonly used on a bicycle?

The 6901 (12x24x6mm) appears in compact headset cups on road and city bikes, some folding bike hub designs, and certain small-bore suspension pivots. It is a less common size than the 6902 or 6903, but critical for the components that specify it.

Is there a Max version of the 6901 for suspension pivots?

Enduro produces Max series bearings in many sizes. If you are using the 6901 in a suspension pivot that sees significant lateral loading, it is worth checking whether a Max 6901 is available for your specific application.

How do I know when my 6901 bearing needs service?

Feel for roughness or binding when spinning by hand, listen for grinding or clicking under load, and check for lateral play in the component. Any of those signs means the bearing is due for replacement.

Best For

Shop mechanics and home wrenchers working on bikes that specify a 12x24x6mm cartridge bearing in headset cups or small-bore pivot hardware. The Enduro 6901 is the right standard-duty bearing for these applications at a price that makes routine replacement easy to justify.

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