Motorcycle Front Rear Brake Disc For TTR250 DT230 Lanza 1992-2011 Fit For Yamaha TT-R250 DT230 Lanza WR200R front rear hub mounting structure Secures onto hubs without or extra conversion adapters Delivers consistent braking feedback on rugged trail offroad terrain Designed with evenly distributed ventilation slots to speed up dissipation Complies with rotor diameter bolt hole layout for accurate fitting