The 2-piece Shimano SM-RT30 brake disc features a Centerlock mount and is completely made of stainless steel. The rotor is only compatible to Resin brake pads.
Version with integrated magnet for use with the STePS EW-SS302 speed sensor (not included).
Material:
disc: stainless steel (polished)
spider: stainless steel (painted)
lock ring: steel (painted)
