A benchmark in reliability, Ultegra hubs have revised seals for smooth running and even greater durability.
Adjust by the digital hub adjustment system and the reduced axial forces of the quick release, the maintenance is simple, high quality ball bearings for long life.
Spoke Hole Circle: 32H, 36H
Over locknut: 130 mm
Axle length: 141 mm
High precision bearings
Art. Nr. EFH6800AYB , EFH6800BYB