The Shimano SM-RTAD05 Disc Brake Rotor Adapter allows you to effortlessly install a 6-bolt disc brake rotor onto a CENTER LOCK hub, providing versatility and compatibility for various wheel setups. Secure and Reliable: Equipped with a dependable anti-loosen plate, this adapter ensures secure braking in all riding conditions, giving you peace of mind and confidence on every ride. Enhanced Performance: Designed by Shimano, a leader in cycling components, the SM-RTAD05 adapter delivers reliable performance and durability, enhancing your bike's braking system for optimal efficiency. Easy Installation: The adapter's user-friendly design makes installation straightforward, allowing you to quickly upgrade your bike's braking system without hassle. Upgrade your braking system with the Shimano SM-RTAD05 Disc Brake Rotor Adapter for a secure, reliable, and efficient riding experience.