Features: Centerlock to 6-Bolt Conversion: Seamlessly transforms your Centerlock hub to accommodate standard 6-bolt discs brake rotors. MTBs Specific Design: Engineered for mountain bikes, ensuring reliable and sturdy performance on challenging terrains. Discs Brake Essential: A crucial-component for cyclists looking to adapt or upgrade their discs braking system. Easy & Quick Installation: Designed for straightforward mounting, making hub conversion hassle-free and time-efficient. Sturdy Aluminum Alloy Construction: Crafted from high-strength aluminum alloy for maximum durability, rigidity, and long-term reliability. Secure & Stable Fit: Ensures a tight, wobble-free connection for consistent and confident braking performance. Lightweight Design: Adds minimal weight to your bike, maintaining optimals performance and handling characteristics. Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different and light effect Description: Material: aluminum alloy+ stainless steel gasket Size: 54 mm * 44 mm Applicable: Six-nail with 44MM hole spacing converted from central lock hub