Sprocket Rear MTX Hornet Lightweight Steel 251 50T #520

MTX 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.

Features:

- OEM replacement.
- Exceeds OEM specifications.
- Heat treated and hand finished.
- Pitch: 520
- Teeth: 50