Inside Diameter: 134,00. Chain Pitch: 525. Nº of Teeth: 42. Material: steel. Thickness: 7,20. Nº of Holes: 6. Bolt Pattern: 160,00. Holes Diameter: 10,50. For: HONDA CBR 600 F (2001-2007), CBR 600 F Sport (2001-2002), CBR 600 RR (2003-2014), CBR 600 RR ABS (2009-2012).