End Cap Set for Cognition DB Rear Hubs Category_Bottle Cage and re-zero the power meter

and re-zero the power meter after significant temperature changes for best accuracy

The cylindrical form keeps its profile even when partially filled — an advantage on India's mixed tarmac

Applying grease to the threads during installation creates a moisture barrier

Complete your braking system with compatible SLX or Deore hydraulic brake calipers and levers

or Kolkata — seals degrade faster than in drier climates

End Cap Set for Cognition DB Rear Hubs Category_Bottle Cage and re-zero the power meterThe Zipp End Cap Set for Cognition DB Rear Hubs is a precision replacement part designed to keep your Zipp Cognition DB rear hub running correctly. Whether you have damaged end caps, are switching axle standards, or simply need a reliable spare on hand, this set ensures your hub retains proper axle interface and bearing support for continued performance on road, gravel, or mixed terrain. Use Cases Under helmet sweat management. Absorbs forehead sweat