Ultra-light and aerodynamic disc brake road bike hub. Made of CNC machined 7075 aluminum, it offers a unique combination of lightness and durability with a classic 3-pawl gear and engagement system with 36 teeth that offers minimal friction. COAX ceramic bearings are larger and 90% more durable than usual, inserted with our PAL-TECH technology 100% aligned. The optimized straight elbow type spoke anchorage and the centerlock type brake support. No specific tool is required to dismantle and change bearings and the different cores are interchangeable.Specifications:- Rear Axle: 12×142- Disc mount: Center Lock- Core. Shimano HG- Spoke holes: 24- Weight: 208g