Durable and smooth front 105 hubRadial lacing compatibleCubic Boron Nitride treated cone races provide a mirror-smooth bearing surface for a low friction, corrosion-free performanceLabyrinth and low-friction contact sealing effectively shuts out water and dirt without affecting rotational smoothnessInternal O-rings help maintain and increase service life of front hub by holding the grease in the bearing housingAnodised cold forged aluminium hub shellComes complete with Q/R skewer.