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YAMAHA 2015-2018 YZF-R1S VORTEX V4 ULTRA LIGHT ALLOY 520 CONV REAR SPROCKET

YAMAHA 2015-2018 YZF-R1S VORTEX V4 ULTRA LIGHT ALLOY 520 CONV REAR SPROCKET

VORTEX RACING V4 Ultra Light. - Cat5 remains the proven iconic design. V4 is the lighter, more aggressive upgrade. The next generation of Vortex Sprockets. REAR ALUMINUM SPROCKET. Available in 39-54 Tooth - 520 Conversion.