MTX 824 Steel Rear Sprocket #530 (40T) (11-21A-40) thumpstar All wire ends are bird-caged

All wire ends are bird-caged prior to terminal casting for superior pull-out resistance

Has a Leatt protection score of 18 out of 25 next step up in protection level is the 5

Extended battery life: Extends the battery’s life and cold-cranking capacity

YKK zippers

MTX 824 Steel Rear Sprocket #530 (40T) (11-21A-40) thumpstar All wire ends are bird-cagedMTX 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