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. 【Aluminum Alloy Material】This bicycle freewheel threaded hubs disk disc brake for rotor flange adapter is made of lightweight and for Sturdy aluminum alloy material. It ensures long-lasting performance and durability without adding excessive weight to your bike. 【Effective Inner Thread Design】With its unique inner thread design, this adapter allows for effective and direct braking on your bicycle. It ensures a reliable and smooth braking experience, enhancing your safety and control while riding. 【Exquisite Process and Fine Feel】The adapter is crafted with exquisite process, resulting in a fine finish and excellent feel. It not only performs well but also adds a touch of elegance to your bike. 【Easy to Use and Install】Installing this disc brake adapter on your threaded hub bike is a breeze. It comes with simple instructions and requires minimal effort. Enjoy the convenience and efficiency it brings to your riding experience. 【Various Color Options and Compact Size】Choose from a range of eye-catching colors including black, blue, red, gold, green, and purple to match your bike's style and personality. With a compact size of 44/48mm, it fits perfectly and seamlessly into your bike's setup.