As one of the few manufacturers who does so, NG Brakes provides a KBA (Federal Motor Transport Authority - Germany) certificate with all brake discs, so they may be used on public roads. KBA (Federal Motor Transport Authority - Germany) certificate is supplied with each disc. The wavy design leads to better cooling of the disc and reduces this wear and brake fade. Excellent value for money! Street legal: Yes. Outer diameter: 220mm. Internal diameter. Mounting: 58mm. Thickness: 4.0mm. Bolt holes: 4. Bolt hole diameter: 8.5mm. Type: Wavy. Vehicle fitment for brake disc NG494X YAMAHA YFS 200 Blaster 1988-2004 (rear) YFS 200 R Blaster 2003-2006 (rear) YFM 250 big bear BW/BX/BY (rear) 2007-2009 YFM 350 Raptor RA/RS/RT 2004-2011 (rear) YFM 350 Wolverine 2005-2006 (rear) YFM X 350 Warrior 1987-1989 (rear) YFZ 350 Banshee 1987-2009 (rear) YFM 400 Fahm-MC-N-NCP 2000-2002 (rear) YFM 400 fam fan 2000-2002 (rear) YFM 400 FAP Kodiak (rear) 2000-2002 YFM 400 Kodiak 2WD AM-AN 2000-2001 (rear) YFM 400 Kodiak 4 X 4 Hunter 2000-2002 (rear) YFM 450 FAR-FAS 2003-2004 (rear) YFM 450 FXV FXW FXX 2006-2008 (rear) YFM 450 Wolverine FXY 2006-2008 (rear)