REAR SPROCKET - STEEL LIGHTWEIGHT SELF CLEANING - 45T 520P Type_Standard Chain 10k waterproof and 10k breathable

10k waterproof and 10k breathable Tactel laminate outer shell

formula dermatologically tested

Size: 300-12

Easy to remove and re-install when washing the bike

New high-performance certification ECE 22

REAR SPROCKET - STEEL LIGHTWEIGHT SELF CLEANING - 45T 520P Type_Standard Chain 10k waterproof and 10k breathableSC Lightweight Steel Rear Sprockets. The new standard in steel rear motocross sprockets. A unique self cleaning design keeps the contact area clean from dirt and mud while significantly reducing weight. Made from heat induction hardened C45 steel which lasts up to six times longer than a 7075 aluminium sprocket and greatly extends chain life.