The MOTO-MASTER SM-Racing Adapter is crafted from billet aluminium and fully CNC-machined with a clear anodized finish. Designed for brake discs with a Ø 320mm. Specifically made for 4-piston racing brake calipers, not suitable for standard brake calipers. TÜV-ABE-certified for safety and reliability. Perfect for high-performance braking systems, this adapter ensures enhanced braking efficiency and durability, making it ideal for racing enthusiasts and professional riders. Compatibility with FANTIC and YAMAHA models ensures a perfect fit and superior performance.