MTX 2020 Steel Rear Sprocket #520 (11-2020) size:41 Tooth Please refer to the note

Please refer to the note below to make sure you purchase the right part:

Military Ballistic Impact Standard (MIL-DTL-43511D)

Harness the flexibility and intelligence of your BMW's CANbus electrical system to make installation of accessories drastically easier with the DENALI CANsmart™ Controller

Our new red regulator

Engineered fracture point on the rear thoracic strut designed to snap off in an emergency

MTX 2020 Steel Rear Sprocket #520 (11-2020) size:41 Tooth Please refer to the noteMTX 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