BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY RED REAR SPROCKET 520 48T RED year-1997 They have an anodised blue

They have an anodised blue finish with AS3 Performance branding

2005-2013 BMW R 1200 GS

2011-2016 KTM 300 XC

2008 Husqvarna TE 610 ie Supermoto

BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY RED REAR SPROCKET 520 48T RED year-1997 They have an anodised blueAS3 Performance Factory Series rear sprockets combine the strength of steel and the light weight of aluminium to give you the ultimate hard wearing rear sprocket. The outer ring is manufactured from hardened steel with a nickel coating and will outlast an aluminium sprocket by up to 3 times. The inner ring is constructed from aircraft grade 7075 T6 aluminium and is up to 50% lighter than a standard steel sprocket. Details Teeth: 48 Chain: 520 Will Fit