Strong and durable: Made from high-strength rust-proof materials, these bicycle hub disc brake adapters are built to last. They are deformation resistant for long-lasting performance and a reliable riding experience. Smooth and precise: CNC machined surface minimises abrasion and enhances durability. These adapters provide excellent compatibility and a precise fit with the components of your bike. Easy installation: Designed for convenience. Installation requires an axle distance of 44 mm between the six-nail disc and the hole. You can set them up quickly and effortlessly on a centre lock hub. Wide compatibility: Ideal for MTB riding. Compatible with centre lock hubs. They allow installation of six-nail discs, delivering optimal braking performance and improved riding experience. Use scenarios: - Upgrading a centre-lock MTB to run six-nail discs for improved braking on steep descents and technical terrain. - Converting a bike that uses a centre lock hub to six-nail discs to match rotor options from aftermarket brakes. - Replacing worn adapters on bikes that regularly switch braking setups, enabling reliable use of six-nail discs.