RENTHAL Rear Sprocket 43T for Street YAMAHA YZF-R1 520 Conversion 2009-2014

RENTHAL Rear Sprocket 43T for Street YAMAHA YZF-R1 520 Conversion 2009-2014 Rear Sprocket 43T Manufactured to extremely tight tolerances. 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life. Combination of a very high-strength base material and an exceptionally hard-wearing surface result in significantly increased chainwheel life. Hard anodized finish for better wear resistance. 520 conversions available for certain models