RS500 wheels offer proven technology based on the top of the range Dura-Ace modelsTubeless and tubed tyre compatible rimBuilt with stainless steel bladed and butted spokesLabyrinth and contact sealing - low-friction seals effectively shut out water, mud and dirt without affecting rotational smoothnessQuick and easy to maintain digital click bearing adjustmentThe Hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions. They also offer precision bearing adjustment and easy maintenanceSuper polished ball races for high precision, durability, and smooth rotation700C Clincher rim only