High-performance Brembo Racing replacement rotor ring designed for 2-piece brake systems. This precision-engineered component ensures optimal heat dissipation and consistent braking performance under extreme conditions. Part Number: 90.6537 (Right Hand side). Specification: 380x34mm, Cross-Drilled. The kit includes: 1x Replacement Rotor Ring (Art: 09.A187.13 / 90.6537), 1x Mounting Hardware Kit (Art: 105.0002) including bobbins and bolts for floating disc assembly. Note: Bell/Hat is not included.