Upgrade your motorcycle’s final-drive system with the Vortex Racing 245AS-45 steel rear sprocket. Manufactured to precise specifications, this powersports sprocket is designed to provide reliable chain engagement, consistent performance, and long-lasting durability. Its steel construction helps withstand the demands of street and performance riding while maintaining accurate concentricity for smooth operation.
The 520 chain pitch is suited for compatible motorcycle drivetrains, and the 45-tooth configuration can help tailor acceleration and overall gearing to your riding requirements. Integrated lightening holes reduce rotating mass compared with a solid sprocket design, supporting responsive drivetrain performance without sacrificing the strength needed for dependable use. The black finish adds a clean, understated appearance to your motorcycle.
The Vortex Racing 245AS-45 fits select Honda CBR900RR applications from 1993 through 1999, including the 1993, 1994, 1995, 1996, 1997, 1998, and 1999 model years. Confirm your motorcycle’s year, model, chain pitch, tooth count, and original equipment specifications before installation. Professional installation is recommended to ensure correct sprocket alignment, chain tension, and fastener torque.
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