Features 1、Hollow Design: The disc brake rotor features a large hollow area, which significantly reduces weight and increases air contact surface area, facilitating better heat dissipation. 2、Stable Performance: The 140mm disc brake rotor is designed to withstand wet environments, making it suitable for long distance use. The thickened design ensures increased safety and stability. 3、Easy Installation: Installing the 140mm disc brake rotor onto the disc brake frame and fork is a breeze. Compatible with mountain bikes, road bikes, electric bikes, and more. 4、Durable Steel Construction: Crafted with anticorrosion and rustproof steel, the 140mm disc brake rotor offers high strength and minimizes deformations. 5、Smooth Operation: Experience smooth and reliable braking performance on various terrains with the use of this 140mm mountain bike disc brake rotor. Item Type: 140mm Disc Brake Rotor Material: Steel Weight: Approx. 107g / 3.8oz Package List 1 x 140mm Disc Brake Rotor