MTX 1321 Steel Front Sprocket #520 size:15 Tooth Viscosity at -20 °C: 5230

Viscosity at -20 °C: 5230 mPa

and PVC-free

Heavy-duty Kokusan brand recall-type OEM flywheel

Injected moulded components are manufactured from high-strength POM material

CBR1000 FP-FS X'Ring 339

MTX 1321 Steel Front Sprocket #520 size:15 Tooth Viscosity at -20 °C: 5230MTX OE Steel sprockets are strong and durable, heat treated and hand finished for longevity. Front sprockets are constructed from SCM420 chromoly steel alloy where rear sprockets are constructed from C45 high carbon steel with a Zinc electroplated finish. Designed as an OEM replacement to exceed OEM specifications at a fraction of the price, making them your ideal cost effective solution for replacing old worn and warped sprockets. OEM replacement