This rear brake disc by AUNER is designed as a direct replacement for the original disc on various Yamaha models, including YZ125+250 from 1985 to 1997 and YZF/WRF400 from 1998. It features the same dimensions (Ø220mm) ensuring a perfect fit and optimal braking performance. Constructed from high-quality materials, this brake disc offers improved durability and heat dissipation. The precise engineering guarantees reliable and consistent braking, making it an ideal choice for both casual riders and professional racers. Easy to install, it maintains the integrity of your braking system while enhancing safety and performance on all terrains.