REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1479.45ZBK

Part No. SR1479.45.S.ZBK (phoenixmotos.com)
JTR1479.45ZBK JT HARD Sprockets BLACK ZINC - [JTR1479.45]
Made from C45 high carbon steel, with teeth heat-induction hardened to 38-50 HRC, Black Zinc Finish.

Fitment:

YAMAHA Road
YZF R1 2009-2014
YZF R1 World GP 50th Anniversary edition 2012