Silter than ever, but with superb, consistent braking performance on all long, steep descents, thanks to excellent heat dissipationThe new arm shape is more robust, which offers quieter operationThe heat dissipation paint improves performanceBrake disc size: 140mm, 160mmFeaturesWith the reduction of heat deformation, the new brake disc offers more efficiency, less noise, and without sacrificing weight or heat dissipation.
