1579-15 JT Front 15 Tooth Gear Box Sprocket YZF-R1 98-14 YZF-R1M 520 CONVERSION

1579-16 JT Front 16 Tooth Gear Box Sprocket YZF-R1 98-14 YZF-R1M 520 CONVERSION

17T JT Front Sprocket / 17 Tooth Fits Yamaha YZF R1 2004 to 2014

JT Front 14 Tooth Gear Box Sprocket CBR600RR CBR1000RR SP1 SP2 *520 CONVERSION*

JT Front 15 Tooth Gear Box Sprocket CBR600RR CBR1000RR SP1 SP2 *520 CONVERSION*

JT Front 17 Tooth Gear Box Sprocket CBR600RR CBR1000RR SP1 SP2 *520 CONVERSION*

17T JT Front Sprocket JTF1579.17 / 17 Tooth

Front Sprocket 17 Teeth For Yamaha YZF R1 (5VY7) 2005