A new benchmark in reliability, the Shimano Dura-Ace 9000 hubs have revised labyrinth seals for less drag and greater durability. A super hard "Super Finish" is applied to the cup and cone races for greater performance, and easy maintenance. The Dura-Ace 9000 feature a hollow aluminum axle, super hard adjustable stainless steel bearings, and include a lightweight aluminum alloy quick release.
Easy-Adjust angular contact bearings
Cubic Boron Nitride finish on cup and cone races
Radial lacing compatible
Standard Quck Release
24, 28, 32
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