Vortex 490ZR-45 Steel Rear Sprocket 45-Tooth

The Vortex 490ZR-45 is a precision-manufactured steel rear sprocket designed as a direct OEM replacement or performance upgrade for motorcycles. Featuring a 45-tooth count, this sprocket is built to exact specifications to ensure proper chain engagement and smooth power transfer from the engine to the rear wheel.

Vortex sprockets are produced using high-quality steel and precision CNC machining processes, resulting in consistent tooth profiles that promote even chain wear and extended service life. The ZR series is engineered for riders who demand reliable, durable performance from their drivetrain components.

Key Features:

• 45-tooth rear sprocket for optimal gearing configuration
• High-strength steel construction for durability and long service life
• CNC-machined for precise tooth geometry and consistent chain engagement
• Direct bolt-on replacement — no modifications required
• Maintains proper chain alignment and tension for safe operation
• Compatible with standard chain pitches matching the 490 series

Whether you're restoring OEM gearing or fine-tuning your bike's acceleration and top-speed characteristics, the Vortex 490ZR-45 delivers the quality and fit you can count on. Always replace the chain and front sprocket together for maximum drivetrain longevity.