Light, two-part brake disc with steel friction ring and optimized aluminium spider for good heat dissipation.The friction surface of the steel brake disc is weight-optimized but still offers enough space to build up a lot of power. The perforated design also guarantees excellent heat management.The aluminium spider, which is riveted to the steel surface, pushes the weight to a meagre 63.5 – 71 grams, depending on disc diameter.
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