Regina Chain KM023 Chain and Sprocket Kit for KTM RC390 / Duke

The Regina Chain KM023 is a complete chain and sprocket kit engineered specifically for the KTM RC390 and Duke platform. Regina Chain, an Italian manufacturer with decades of motorsport heritage, is trusted by OEM brands and competitive riders worldwide for precision-manufactured drivetrain components.

This kit delivers a factory-matched replacement solution, combining Regina's proven chain technology with matched front and rear sprockets to ensure optimal power transfer, correct fitment, and consistent wear across all components. Installing a matched kit eliminates the common problem of mismatched wear between a new chain and old sprockets, extending overall drivetrain life.

Key Features:

• Complete chain and sprocket kit — chain, front sprocket, and rear sprocket included
• Engineered specifically for KTM RC390 and Duke models
• Regina chain construction for precise pitch tolerance and long service life
• Matched sprocket and chain wear for extended drivetrain longevity
• OEM-equivalent fitment — direct replacement with no modification required
• Italian-manufactured quality, trusted in OEM and motorsport applications

The Regina KM023 chain kit is an ideal choice for riders seeking a reliable, performance-matched drivetrain replacement that installs quickly and delivers consistent results mile after mile.