Jt Sprockets JTR808.51SC Self-Cleaning Steel Rear Sprocket - 51T (Natural) drive-rollers-sliders-guides-chain-guides 1989-2006 Yamaha YFZ350 Banshee

1989-2006 Yamaha YFZ350 Banshee

2007-2009 KTM 950 Super Enduro R

2017 Triumph Tiger Explorer XCx Low

2021 Polaris 850 PRO-RMK 163 3in

Jt Sprockets JTR808.51SC Self-Cleaning Steel Rear Sprocket - 51T (Natural) drive-rollers-sliders-guides-chain-guides 1989-2006 Yamaha YFZ350 BansheeMarketing Color: Natural Material: Steel Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 51 JT SC is the new standard in steel rear motocross sprockets. Unique self cleaning design that keeps the contact area clean from dirt and mud while significantly reducing weight. Heat induction hardened C45 steel lasts up to six times longer than a 7075 aluminum sprocket and greatly extends chain life. Engineered and finished to the highest quality