The RK 520 Quick Acceleration Chain and Sprocket Kit is designed for the Aprilia RSV4 and riders seeking sharper response from race-oriented gearing. This kit combines RK’s premium XW-ring sealed chain with durable steel sprocket components to support reliable performance in demanding street and track applications. The gold chain finish adds a distinctive appearance while maintaining the quality and construction expected from RK drivetrain components.
The kit includes a premium Driven steel alloy front sprocket with a black case-hardened finish. Its quick-acceleration gearing is intended to improve throttle response and help the motorcycle build speed more rapidly. The 520-size configuration is engineered for compatible Aprilia RSV4 applications and provides a complete chain-and-sprocket solution for replacement or performance-focused drivetrain service.
Designed by RK and identified by manufacturer and vendor part number 8101-119PGX, this kit is a direct-fit solution for the specified Aprilia RSV4 model when the vehicle’s original gearing and chain configuration match the kit requirements. Confirm year, model, and existing drivetrain specifications before installation. Professional installation and proper chain adjustment are recommended for safe operation, optimum performance, and extended component life.
Features:
- Size: 520 chain and sprocket configuration
- Model: Quick Acceleration Race Kit for Aprilia RSV4
- Brand: RK
- Manufacturer part number: 8101-119PGX
- Vendor part number: 8101-119PGX
- Chain construction: Premium XW-ring sealed chain
- Sprocket material: Driven steel alloy front sprocket
- Sprocket finish: Black case-hardened finish
- Chain finish: Gold
- Performance: Race-oriented gearing designed for quick acceleration
- Fitment: Compatible with specified Aprilia RSV4 applications; verify year and drivetrain specifications before installation