Vortex 454-39 Lightweight Aluminum Rear Sprocket Pitch Sprockets - 39T 525 Silver

The Vortex 454-39 is a lightweight standard aluminum racing rear sprocket designed for 525-pitch chain applications. Trusted by AMA Superbike and Motocross competitors, this sprocket is built to the tight tolerances and exacting standards that serious riders demand on the track and street.

Manufactured entirely in the USA, the 454-39 is CNC-machined from a specially formulated aluminum alloy developed to Vortex's own specifications. The result is a sprocket that delivers exceptional strength while minimizing rotating mass — a critical advantage for performance-oriented riding. A silver anodized finish provides a bright appearance and corrosion resistance for long-lasting durability.

Key Features:

• 39 teeth, 525 pitch rear sprocket
• Lightweight aluminum construction reduces rotating mass
• 100% CNC machined in the USA to tight tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish for corrosion resistance and bright appearance
• Patented Vortex tooth design with saber tooth grooves for optimized chain engagement and release
• Unique tooth geometry engineered to increase sprocket longevity

Vortex has been manufacturing top-quality motorcycle racing components since 1995. Each sprocket is tested with direct feedback from professional race teams worldwide, making the 454-39 a proven choice for both racing and performance street use.