Vortex Aluminum Sprocket - Silver - Rear - 42 Tooth 654A-42

Anodized to prevent corrosionTooth layout specifically designed to increase sprocket longevity Kawasaki -- Ninja ZX-10R -- (2013, 2012, 2015, 2011, 2014, 2018, 2017, 2019, 2016); Kawasaki -- Z 900 RS...

Anodized to prevent corrosionTooth layout specifically designed to increase sprocket longevity Yamaha -- YZF-R1 -- (2015)

Anodized to prevent corrosionTooth layout specifically designed to increase sprocket longevity Yamaha -- YZF-R1 -- (2015, 2016)

F5 PTFE black is built for endurance and is hard anodized with jet-black dye, then coated with PTFE for added lubricity Kawasaki -- EX500D Ninja 500R -- (1998, 1997, 2007, 2004, 2001, 1999, 2003,...