Feature:1. The fine aluminum alloy machining ensures that the threads are perfectly suitable for your bicycle.2. The unique thread design of this center lock can effectively and directly brake the bicycle.3. The brake adapter can help you brake quickly and stably, safely and reliably.4. Excellent hardness can withstand brake wear and which makes it have longer service life.5. The disc brake adapter is made of high‑quality aluminum alloy, with high strength, rust resistance and durability.6. Easy to install, it can be installed and replaced either at the front or back.7. Suitable for compatibility with mountain bikes, very easy to install and disassemble.Specification:Condition: 100% Brand NewItem Type: Brake Center LockMaterial: Aluminium AlloySize: Approx. 52x18mm/2x0.7inCenter Distance: Approx. BCD44mm/1.7inProcess: CNC anodizingApplication: Used to convert the center lock hub into a six-nail disc with a 44MM hole pitch, Useful accessories compatible with bicycle enthusiasts, can be used for bicycles.Function: Standard center lock 6 bolt disc brake rotor adapter..Package List:1 x Set of Brake Center Lock