Vortex 317ZRV4-45 V4 Aluminum Rear Sprocket 45-Tooth Silver

The Vortex 317ZRV4-45 is a 45-tooth aluminum rear sprocket from Vortex Racing's latest V4 sprocket line, representing the next evolution of their proven aluminum sprocket platform. Engineered for riders who demand precision drivetrain performance on the street or track, this sprocket delivers significant weight savings over steel while maintaining the durability and consistency Vortex is known for.

Key Features:

• V4 Platform: Latest-generation sprocket design featuring refinements in material optimization, strength, and weight balance
• 45-Tooth Rear Sprocket: Increases rear gear ratio for improved low-end torque and acceleration response
• Aerospace-Grade Aluminum Construction: Machined to precise specifications for concentricity and long-term durability
• 100% CNC Manufactured in the USA: Produced entirely in the United States to exacting tolerances
• Silver Anodized Finish: Clear-coat protective finish applied before cutting, resulting in the iconic two-tone machined appearance and corrosion resistance
• Lightening Holes: Strategically placed to reduce rotating mass and improve throttle response
• Unique Tooth Profile: Vortex-patented tooth geometry engineered for extended sprocket life and smooth chain engagement

Aluminum sprockets are the preferred choice for road racing, track days, motocross, and performance street riding where weight savings translate directly into improved acceleration and handling. Pair with a quality chain and front sprocket of matching pitch for optimal drivetrain performance.