The Lonestar Racing 2004-05 YFZ450 Disc Brake Hub is a universal item. The disc can be mounted on either side of the Hub depending on which swing arm you have. When using the Lonestar Swing Arm the disc is mounted on the inside of the hub for closer clearance. When using the Stock Swing arm the disc is mounted on the outside of the hub. This hub will fit all Stock or Axcalibar Axles.

• Fits 2004-05 model years