The 23mm wide external width is also popular these days with aero-seeking road and tri competitors.
Stiff semi-aero rim with a 23mm extenal width.
Recommended for CX, tri, heavier road riders.
+ Niobium-enhanced aluminum
+ CNC-machined braking sidewalls
+ 23mm external width x 17mm internal width x 28mm deep
+ 495 grams
+ 24, 28, 32, and 36h
+ Black and silver anodized options
What is Niobium-enhanced aluminum?
It used to be difficult to alloy Niobium and Aluminum together, because of their vastly different melting points.
But now that has been figured out, cyclists have a new alloy with nearly double the tensile strength and a finer grain structure over conventional aluminum. A special T10 process where the rim is cooled from an elevated temperature shaping process, cold worked and then artificially aged, is applied to our premium rims.