Features of the Shimano RS21 Alloy Clincher Wheelset
•Steel butted and bladed straight pull spokes
•Elbow-less spokes make for a strong yet compliant wheel
•High lateral rigidity is maintained by using a wide flange spacing
•Smooth high polished finish hub shell
•The 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 maintenance
•Labyrinth and contact sealing – low-friction seals effectively shut out water, mud and dirt without affecting rotational smoothness
•Supplied with Q/R skewer
•Can be used for 10 speed with an additional spacer