NACSTAR Works Wheels are high quality motocross and enduro wheels. Our hubs are made from 6061-T6 aluminum. All hubs are forged and then CNC machined for precision fit, increased strength, maximum weight savings, and a factory look. NACSTAR Works Anodized Rims are constructed from 7050-T6 aluminum and made in Japan, and are absolute some of the strongest rims available. NACSTAR Works wheels are all mounted with Stainless Steel 304T spokes and 7075 Aluminum nipples. Wheel assembly is completed with high-quality sealed bearings, seals, and hard anodized wheel spacers. Our wheels are complete with bearings, seals and spacer, wheels are trued and ready to mount when you received them. ALL Of our Yamaha Wheels comes with multiply sets of spacers that makes our wheels fit all both YZ/YZF/WRF Models All wheels are SOLD as a SET Brand Model Year Yamaha YZ125 2002 to 2023 Yamaha YZ250 2002 to 2023 Yamaha YZF250 2002 to 2023 Yamaha YZF250X 2015 to 2023 Yamaha YZF450 2003 to 2023 Yamaha YZF450X 2016 to 2023 Yamaha WRF250 2008 to 2023 Yamaha WRF450 2008 to 2023