Shimano Ultegra Brake Discs Black 51mm

SHIMANO Racing brake "Ultegra" BR-R8000 / 8010 Mod. 18 self-service packed, 51 mm side length Cartridge brake shoes R55C4. Bolt: 18/25 Nut: 10.5/12.5 (Front) Bolt 12.8/10.5 mm (rear) Good performance Pair