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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: 40
NOTE: Actual sprocket design may be different from the image above.
2026 Aprilia Tuono 660
2026 Aprilia Tuono 660 Factory
2026 Aprilia Tuareg 660
2026 Aprilia Tuareg 660 Rally
2026 Aprilia RS660
2026 Aprilia RS660 Extrema
2026 Aprilia RS660 35KW
2025 Aprilia Tuono 660
2025 Aprilia Tuono 660 Factory
2025 Aprilia Tuareg 660
2025 Aprilia Tuareg 660 Rally
2025 Aprilia RS660
2025 Aprilia RS660 Extrema
2025 Aprilia RS660 35KW
2024 Aprilia Tuono 660
2024 Aprilia Tuono 660 Factory
2024 Aprilia Tuareg 660
2024 Aprilia RS660
2024 Aprilia RS660 Extrema
2023 Aprilia Tuono 660
2023 Aprilia Tuono 660 Factory
2023 Aprilia Tuareg 660
2023 Aprilia RS660
2022 Aprilia Tuono 660
2022 Aprilia Tuareg 660
2022 Aprilia RS660
2012 Aprilia RS125 (Radial Caliper)
2011 Aprilia RS125 (Radial Caliper)
2011 Aprilia Pegaso 650 Strada
2010 Aprilia RSV1000R (Radial Caliper)
2010 Aprilia RS125 (Radial Caliper)
2010 Aprilia Pegaso 650 Strada
2010 Aprilia 650 Pegaso Trail
2009 Aprilia RSV1000R (Radial Caliper)
2009 Aprilia RS125 (Radial Caliper)
2009 Aprilia Pegaso 650 Strada
2009 Aprilia 650 Pegaso Trail
2008 Aprilia RSV1000R (Radial Caliper)
2008 Aprilia RS125 (Radial Caliper)
2008 Aprilia Pegaso 650 Strada
2008 Aprilia 650 Pegaso Trail
2007 Aprilia RSV1000R (Radial Caliper)
2007 Aprilia RS125 (Radial Caliper)
2007 Aprilia Pegaso 650 Strada
2007 Aprilia 650 Pegaso Trail
2006 Aprilia RSV1000R (Radial Caliper)
2006 Aprilia RS125 (Radial Caliper)
2006 Aprilia Pegaso 650 Strada
2006 Aprilia 650 Pegaso Trail
2005 Aprilia RSV1000R (Radial Caliper)
2005 Aprilia Pegaso 650 Strada
2004 Aprilia RSV1000R (Radial Caliper)
2003 Aprilia RSV1000 Mille
2002 Aprilia RSV1000 Mille
2001 Aprilia RSV1000 Mille
2000 Aprilia RSV1000 Mille
1999 Aprilia RSV1000 Mille
1998 Aprilia RSV1000 Mille
Rear
MTX 703 Steel Rear Sprocket #520 (11-703)
by
MTX Parts
SKU: SPR439640
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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: 40
NOTE: Actual sprocket design may be different from the image above.
2026 Aprilia Tuono 660
2026 Aprilia Tuono 660 Factory
2026 Aprilia Tuareg 660
2026 Aprilia Tuareg 660 Rally
2026 Aprilia RS660
2026 Aprilia RS660 Extrema
2026 Aprilia RS660 35KW
2025 Aprilia Tuono 660
2025 Aprilia Tuono 660 Factory
2025 Aprilia Tuareg 660
2025 Aprilia Tuareg 660 Rally
2025 Aprilia RS660
2025 Aprilia RS660 Extrema
2025 Aprilia RS660 35KW
2024 Aprilia Tuono 660
2024 Aprilia Tuono 660 Factory
2024 Aprilia Tuareg 660
2024 Aprilia RS660
2024 Aprilia RS660 Extrema
2023 Aprilia Tuono 660
2023 Aprilia Tuono 660 Factory
2023 Aprilia Tuareg 660
2023 Aprilia RS660
2022 Aprilia Tuono 660
2022 Aprilia Tuareg 660
2022 Aprilia RS660
2012 Aprilia RS125 (Radial Caliper)
2011 Aprilia RS125 (Radial Caliper)
2011 Aprilia Pegaso 650 Strada
2010 Aprilia RSV1000R (Radial Caliper)
2010 Aprilia RS125 (Radial Caliper)
2010 Aprilia Pegaso 650 Strada
2010 Aprilia 650 Pegaso Trail
2009 Aprilia RSV1000R (Radial Caliper)
2009 Aprilia RS125 (Radial Caliper)
2009 Aprilia Pegaso 650 Strada
2009 Aprilia 650 Pegaso Trail
2008 Aprilia RSV1000R (Radial Caliper)
2008 Aprilia RS125 (Radial Caliper)
2008 Aprilia Pegaso 650 Strada
2008 Aprilia 650 Pegaso Trail
2007 Aprilia RSV1000R (Radial Caliper)
2007 Aprilia RS125 (Radial Caliper)
2007 Aprilia Pegaso 650 Strada
2007 Aprilia 650 Pegaso Trail
2006 Aprilia RSV1000R (Radial Caliper)
2006 Aprilia RS125 (Radial Caliper)
2006 Aprilia Pegaso 650 Strada
2006 Aprilia 650 Pegaso Trail
2005 Aprilia RSV1000R (Radial Caliper)
2005 Aprilia Pegaso 650 Strada
2004 Aprilia RSV1000R (Radial Caliper)
2003 Aprilia RSV1000 Mille
2002 Aprilia RSV1000 Mille
2001 Aprilia RSV1000 Mille
2000 Aprilia RSV1000 Mille
1999 Aprilia RSV1000 Mille
1998 Aprilia RSV1000 Mille
