Description: Bicycle wheel hubs disc brake for ROTOR flange adapter. Made of aluminum alloy material, lightweight and. Unique inner thread design, effectively and directly to make bicycle braking. Exquisite process, feeling fine, easy to use. To install disc brake for your threaded hub bike. Specifications: *Material: Aluminum Alloy *Optional color: Black, Blue, Red，Gold, Green, Purple (As Pictures Show) *Size: 44/48mm *Weight: 18g (Approx) Package Contents: 1*Flange Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Disc Brake for rotor Flange Adapter】This bicycle freewheel threaded hubs disk disc brake for rotor flange adapter is designed for easy installation and effective braking on your bike. Made of lightweight and aluminum alloy material. 【Inner Thread Design】The unique inner thread design allows for a direct and secure connection, reliable braking performance on your bicycle. 【Exquisite Craftsmanship】With its exquisite process, this flange adapter is finely crafted to provide a smooth and seamless user experience. It is easy to use and install on threaded hub bikes. 【Multiple Color Options】Available in black, blue, red, gold, green, and purple, this adapter allows you to choose a color to match your bike's aesthetics or personal preference. 【Lightweight and Compact】 Weighing only 18g, this flange adapter is lightweight and compact, adding minimal weight and bulk to your bike while maintaining durability.