Front and Rear Sprocket Kit. Compatible with following Yamaha models: R6 YZF-R6 2003-2005 / R/RC/SR/SRC/S/SC/SS/SSC/T/TC. Order Includes: Front Sprocket 16 Teeth / Material: Steel, Rear Sprocket 48 Teeth / Material: C49 High Carbon Steel. 520 Chain Conversion Only. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
