MTX 1842 Steel Rear Sprocket #428 (51T) (11-248-51) thumpstar O/X-Ring Chainspray is a special

O/X-Ring Chainspray is a special chain lubricant

while the hydraulic disc brakes offer reliable stopping power

Integrated 22oz vinyl-coated polyester cover

- High/Low Sync

Comfortable and snug design for optimal cold protection

MTX 1842 Steel Rear Sprocket #428 (51T) (11-248-51) thumpstar O/X-Ring Chainspray is a specialMTX 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