BikeMaster Steel Rear Sprocket 520 42T — Fits Kawasaki Ninja, Suzuki GSX-R & Yamaha YZF-R

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SKU: BKM965153
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bike Master

Bike Master is the powersports parts catalog of choice — chains, sprockets, batteries, tools, and accessories for street bikes, dirt bikes, ATVs, and snowmobiles. The brand independent dealers stock for fast service.

Watch in action

Durable 520 42T Rear Steel Sprocket

The BikeMaster 520 42T Rear Steel Sprocket is the perfect solution for riders seeking a balance of durability and performance. Built from high-grade steel, this sprocket is engineered to handle the stresses of high-RPM riding while maintaining structural integrity over thousands of miles. Its precision-engineered tooth profile ensures smooth chain movement, minimizing wear on your chain and front sprocket for a longer-lasting drivetrain.

Why Choose BikeMaster Steel?

  • Superior Longevity: Hardened steel construction outperforms stock components in wear resistance.
  • Smooth Power Delivery: Precision-cut teeth reduce vibration and chain slap.
  • Universal 520 Compatibility: Designed to integrate seamlessly with standard 520 chain setups.
  • Corrosion Protection: Finished with a high-quality black coating to prevent rust.

Wide-Ranging Fitment

This sprocket is engineered for compatibility with a diverse range of machines, including the Kawasaki Ninja 250R, Ninja 500, and ZR550 Zephyr. It also fits high-performance sportbikes like the Suzuki GSX-R600, GSX-R750, GSX-R1000, and the legendary Yamaha YZF-R1 and YZF-R6 series. Whether you are restoring a classic or maintaining a modern sportbike, this component delivers the reliability you need for every ride. Find all your essential maintenance parts and performance upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2012 Kawasaki EX250F Ninja 250R Base
2013-2017 Kawasaki EX300 Ninja 300 Base
1994-1996 Kawasaki EX500 Ninja 500 Base
1990-1993 Kawasaki ZR550 Zephyr Base
2009-2016 Suzuki GSX-R1000 Base
2011-2019 Suzuki GSX-R600 Base
1998-2014 Yamaha YZF-R1 Base
2003-2018 Yamaha YZF-R6 Base
2006-2009 Yamaha YZF-R6S Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bike Master

Bike Master is the powersports parts catalog of choice — chains, sprockets, batteries, tools, and accessories for street bikes, dirt bikes, ATVs, and snowmobiles. The brand independent dealers stock for fast service.

Watch in action

Durable 520 42T Rear Steel Sprocket

The BikeMaster 520 42T Rear Steel Sprocket is the perfect solution for riders seeking a balance of durability and performance. Built from high-grade steel, this sprocket is engineered to handle the stresses of high-RPM riding while maintaining structural integrity over thousands of miles. Its precision-engineered tooth profile ensures smooth chain movement, minimizing wear on your chain and front sprocket for a longer-lasting drivetrain.

Why Choose BikeMaster Steel?

  • Superior Longevity: Hardened steel construction outperforms stock components in wear resistance.
  • Smooth Power Delivery: Precision-cut teeth reduce vibration and chain slap.
  • Universal 520 Compatibility: Designed to integrate seamlessly with standard 520 chain setups.
  • Corrosion Protection: Finished with a high-quality black coating to prevent rust.

Wide-Ranging Fitment

This sprocket is engineered for compatibility with a diverse range of machines, including the Kawasaki Ninja 250R, Ninja 500, and ZR550 Zephyr. It also fits high-performance sportbikes like the Suzuki GSX-R600, GSX-R750, GSX-R1000, and the legendary Yamaha YZF-R1 and YZF-R6 series. Whether you are restoring a classic or maintaining a modern sportbike, this component delivers the reliability you need for every ride. Find all your essential maintenance parts and performance upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2012 Kawasaki EX250F Ninja 250R Base
2013-2017 Kawasaki EX300 Ninja 300 Base
1994-1996 Kawasaki EX500 Ninja 500 Base
1990-1993 Kawasaki ZR550 Zephyr Base
2009-2016 Suzuki GSX-R1000 Base
2011-2019 Suzuki GSX-R600 Base
1998-2014 Yamaha YZF-R1 Base
2003-2018 Yamaha YZF-R6 Base
2006-2009 Yamaha YZF-R6S Base

Product Details

Product Description

About Bike Master

Bike Master is the powersports parts catalog of choice — chains, sprockets, batteries, tools, and accessories for street bikes, dirt bikes, ATVs, and snowmobiles. The brand independent dealers stock for fast service.

Watch in action

Durable 520 42T Rear Steel Sprocket

The BikeMaster 520 42T Rear Steel Sprocket is the perfect solution for riders seeking a balance of durability and performance. Built from high-grade steel, this sprocket is engineered to handle the stresses of high-RPM riding while maintaining structural integrity over thousands of miles. Its precision-engineered tooth profile ensures smooth chain movement, minimizing wear on your chain and front sprocket for a longer-lasting drivetrain.

Why Choose BikeMaster Steel?

  • Superior Longevity: Hardened steel construction outperforms stock components in wear resistance.
  • Smooth Power Delivery: Precision-cut teeth reduce vibration and chain slap.
  • Universal 520 Compatibility: Designed to integrate seamlessly with standard 520 chain setups.
  • Corrosion Protection: Finished with a high-quality black coating to prevent rust.

Wide-Ranging Fitment

This sprocket is engineered for compatibility with a diverse range of machines, including the Kawasaki Ninja 250R, Ninja 500, and ZR550 Zephyr. It also fits high-performance sportbikes like the Suzuki GSX-R600, GSX-R750, GSX-R1000, and the legendary Yamaha YZF-R1 and YZF-R6 series. Whether you are restoring a classic or maintaining a modern sportbike, this component delivers the reliability you need for every ride. Find all your essential maintenance parts and performance upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2012 Kawasaki EX250F Ninja 250R Base
2013-2017 Kawasaki EX300 Ninja 300 Base
1994-1996 Kawasaki EX500 Ninja 500 Base
1990-1993 Kawasaki ZR550 Zephyr Base
2009-2016 Suzuki GSX-R1000 Base
2011-2019 Suzuki GSX-R600 Base
1998-2014 Yamaha YZF-R1 Base
2003-2018 Yamaha YZF-R6 Base
2006-2009 Yamaha YZF-R6S Base

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