This front brake disc is a genuine Sur-Ron component for the Light Bee platform. It uses a 203 mm diameter rotor with a 2.1 mm braking track and a 6-bolt 44 mm PCD, providing a direct fit to the OEM front hub and calliper bracket without adapters 【Size】--Brake disc diameter: 203mm/7., 99in; --Rear brake disc inner diameter: 54mm/2., 13in; --Front brake disc inner diameter: 44mm/1., 73in. 【Package】1*203mm front brake rotor. It has good friction and provides excellent braking force. Drilled Steel Brake Disc JXR 220mm Upgraded Front Rear Brake Disc Rotor For Sur-Ron Light Bee SURRON LBX | UK Surron Brake Disc Rotor 240MM FIXED FRONT OR REAR. Fixed Wave design; 240mm x 3.20mm thick; Mounts to OEM Ultra Hub and Warp 9 hubs; Works On Front or Rear wheels. 240MM FLOATING FRONT... We provide after-sales service. 【Fitment】Brake rotor fit for Surron Light Bee X S Segway X160 X260., 【Protective】The brake disc is made of high-quality steel, which is not easy to corrode and crack. Warp9 203mm brake rotor - Charged Cycle Works If you have any questions, please feel free to contact us, we will strive our best to find the best solution.