MTX 300 Steel Rear Sprocket #525 (42T) (11-4NX-42) mini All-day comfort is guaranteed with

All-day comfort is guaranteed with triple-layer comfort face foam and anti-sweat fleece backing

It guarantees a longer engine service life even under severe race conditions

Welded seams ensure your belongings stay dry

H: 82/100/125mm

MTX 300 Steel Rear Sprocket #525 (42T) (11-4NX-42) mini All-day comfort is guaranteed withMTX 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