Machined 7075 aluminum road bike disc brake rear hub. 100% parallel COAX ceramic bearings with PAL-TECH technology. In 2025, we launched the new Nitro II hubs, equipped with cutting-edge technology backed by over 40 years of experience. They´re designed with what really matters in mind, offering a significant advantage in performance and usability. For wheels with more balanced spoke tension, stiffer and more durable.Specifications:- Lacing 2:1 16:8 We equalize the left and right spoke tension.- Greater diameter on the right wing, we gain +2º more angle in the spokes to achieve greater lateral rigidity and better power transmission.- 48 teeth with 4 powerful double-engagement pawls, ensuring minimal friction and maximum power transmission.- Large diameter 28mm Coax Ceramic Bearings.- PAL-TECH technology 100% aligned bearing seat.- More powerful bearings in the core with a width of 7mm.- Available freehub: Shimano Micro Spline.- Center Lock disc anchor.- Axle: 12x142mm.- Spoke Holes: 24H.- Weight: 223 gr.