17x3.5/5.0 Supermoto Wheels Rim Hubs Disc for Beta RR Race RR-S / Xtrainer 20-23

Brake Disc Disk. for Beta RR/RR Race Edition/RR-S/Xtrainer 2020-2023 (will NOT fit 125 RR-S). (The BETA OEM Rear Sprocket Maybe does not fit the wheels NEED TO Change KTM Sprocket). 420 (2Cr13 ) stainless steel, with CNC 6061 Aluminium alloy centre hub.