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Replacement Visor to suit FF399 Helmets
54mm THICKNESS OF FLYWHEEL approx 40
Interior diameter: 34 mm
Density at 15 °C kg/l: 0 880
MTX 569 Steel Front Sprocket #520 (14T) (10-0Y1-14) mini Replacement Visor to suit FF399MTX 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
