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.

OEM replacement
Exceeds OEM specifications
Heat treated and hand finished
Constructed from C49 high carbon steel

Pitch: 520
Teeth: 44

NOTE: Actual sprocket design may be different from the image above.


Bike Fitment:

  • fits Yamaha YZ450FSP 2021
  • fits Yamaha YZ450FSP 2022
SKU S2-SPR27044_YA45
Brand MTX
Shipping Weight 1.2000kg

What our Customers are Saying


wrong part

By: on 24 January 2024

received wrong part & still waiting for rite part

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