Part No. RHK-DB5 Direct replacement for OEM bolts or use with new wheels. Made from high grade boron steel. Zinc plated. You should always replace disc bolts when replacing the disc give your bike the love it needs. Product may vary from image shown. Double check listings for front or rear fitment. Fitment. Yamaha Zinc Plated Rear Disc Bolts YZ 125-250 1998-2016 Yamaha Zinc Plated Rear Disc Bolts YZF 250 2001-2016 Yamaha Zinc Plated Rear Disc Bolts YZF 400-426 1998-2002 Yamaha Zinc Plated Rear Disc Bolts YZF 450 2003-2016 Yamaha Zinc Plated Rear Disc Bolts WRF 250 2002-2016 Yamaha Zinc Plated Rear Disc Bolts WRF 450 2002-2016