At DMG Motorsports, we present the SUPERSPROX Steel Edge 42T Rear Sprocket in black—a durable, precision-machined drivetrain upgrade designed to deliver a superior fit, long service life, and lighter weight than traditional steel sprockets. This RFA-486-42-BLK model is built for 520 chain applications and features the distinctive Edge design with an aluminum insert disk.

Features:

• 42-tooth rear sprocket for 520 chain applications
• Fully CNC-machined steel construction for long life and superior fit
• Durable Tri-Zink black finish
• Lighter than traditional steel sprockets
• Edge aluminum insert disk fits into the sprocket inset
• Precision laser-cut Edge design with modern styling
• Designed for selected sport-bike applications from approximately 300cc to 600cc
• Part number: RFA-486-42-BLK

Fitment