Features 1、BIKE FRAME KIT: Road bike frame assembly, fully internal routing disc brake, equipped with front fork stem, stable and firm in structure. 2、CARBON FIBER: The bike frame is made of lightweight carbon fiber material, with high hardness, corrosion resistance, and no deformation. 3、STANDARD SIZE: Thread in bottom bracket design, suitable for 52/52 headset and T47 bottom bracket, which is easy to install and replace. 4、REPLACEMENT PARTS: Includes 3 frame assemblies and 6 accessories, simple structure, this frame kit can directly replace old or damaged ones. 5、APPLICABLE BIKES: This carbon fiber frame kit is suitable for mountain bikes, road bikes, etc., with good compatibility and strong adaptability. Item Type: Bike Frame Product Material: Carbon Fiber Headset: For 52/52 Headset Bottom Bracket: Threaded screw in type, suitable for T47 bottom bracket Package List 3 x Frame Assemblies 6 x Frame Accessories