Made from 6061-T6 billet aluminium. Available in 5 colours. Replaces OEM original spacers. Designed not to fall out when you change wheels. Eliminates that third hand when changing wheels. CNC machined from billet aluminium. Fitment. RHK Yamaha Blue Axle Spacers Rear WR 250 F 2002-2022 RHK Yamaha Blue Axle Spacers Rear WR 400 F 2002 RHK Yamaha Blue Axle Spacers Rear YZ 426 F 2002 RHK Yamaha Blue Axle Spacers Rear YZ 450 F 2003-2008 RHK Yamaha Blue Axle Spacers Rear YZ 450 FX 2016-2022 RHK Yamaha Blue Axle Spacers Rear WR 450 FSP Aussie Edition 2021 RHK Yamaha Blue Axle Spacers Rear YZ 125 Monster Energy Racing Edition 2022 RHK Yamaha Blue Axle Spacers Rear YZ 250 Monster Energy Racing Edition 2022 RHK Yamaha Blue Axle Spacers Rear WR 426 F 2002 RHK Yamaha Blue Axle Spacers Rear WR 450 F 2003-2022 RHK Yamaha Blue Axle Spacers Rear YZ 125 2002-2022 RHK Yamaha Blue Axle Spacers Rear YZ 125 X 2020-2022 RHK Yamaha Blue Axle Spacers Rear YZ 250 2002-2022 RHK Yamaha Blue Axle Spacers Rear YZ 250 F 2002-2008 RHK Yamaha Blue Axle Spacers Rear YZ 250 FX 2015-2022 RHK Yamaha Blue Axle Spacers Rear YZ 250 X 2016-2022