MTX 255 Steel Rear Sprocket #420 (37T) (11-120-37) mini Built-in thermistor technology auto-regulates temperature

Built-in thermistor technology auto-regulates temperature

SKU:R178B__S1B

Rubber-coated outside diameter creates an optimum seal at hub

2 x Auxiliary Light adaptors

5 helmet provides premium performance and protection

MTX 255 Steel Rear Sprocket #420 (37T) (11-120-37) mini Built-in thermistor technology auto-regulates temperatureMTX 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