Description
DRIVEN 520 Steel Rear Sprocket 45T for Street YAMAHA YZF-R1/M 2015-2016520 Steel Rear Sprocket 45TOEM Gearing: 16/41Chain/Link: 525-114Teeth: 45Manufactured using the highest quality 45C steel availableSteel sprockets are heat-treated and quenched for maximum strength and durabilityDynamic black finish is achieved by u
