
Complete RFX Race SM Rear Wheel 17x4.50 (manufacturer reference FXWH 50032 55BU): a wheel designed for the cross/MX world, hand-assembled with quality components used in competition. Excel aluminum 7000 rim made in Japan, machined hub from solid aluminum 6082, and aluminum 7075 spacer/central tube for a lightweight and precise construction. The assembly features Koyo bearings and, on most rear hubs, a 3-bearing setup instead of 2 for better load distribution.
Suitable for the chassis of 450 cross machines (e.g., GAS GAS MC 450 F 2023, KTM 450 SX-F 2022, HUSQVARNA FC 450 2022), this wheel provides a complete solution to replace or upgrade your rear with components commonly chosen in competition.