BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY REAR SPROCKET 520 51T RED year-1999 The head is designed to

The head is designed to allow you to easily twist the cap on and off and has an allen key drive in the top to fasten it tight

2002-2018 Yamaha YZ 85

Improve your braking with AS3 Performance Venhill brake lines

(14 clips in the kit)

2003-2026 KTM 85 SX

BETA 250 350 400 450 498 520 RR 2005-2012 AS3 FACTORY REAR SPROCKET 520 51T RED year-1999 The head is designed toAS3 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: 51 Chain: 520 Will Fit