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shock-resistant housing designed for long-term reliability
Combining a 520VX3 chain with precision-cut steel sprockets
which creates an extremely hard chromium carbide layer on the pin surface to drastically reduce wear
it offers excellent resistance to UV fading and impact damage on the track or trail
Whether you're riding on the road or off
MTX 1490 Steel Rear Sprocket #520 size-y2xl shock-resistant housing designed for long-termMTX 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
