Vortex 317ZLV4-45 ZLV Series Aluminum Rear Sprocket 45T

The Vortex 317ZLV4-45 is a 45-tooth aluminum rear sprocket from Vortex Racing's ZLV (Zero Loss Velocity) Series — a premium line engineered for performance street and track riders who demand lightweight precision without sacrificing durability.

Machined from high-grade 7075-T6 aluminum and hard anodized for corrosion resistance, the ZLV4 sprocket delivers a significant weight savings over steel alternatives while maintaining excellent wear characteristics. The precision CNC machining ensures consistent tooth geometry for smooth, quiet chain engagement and maximum power transfer.

Key Features:

• 45 Teeth — optimized gearing for acceleration and mid-range power delivery
• 7075-T6 Aluminum Construction — lightweight and strong with hard anodized finish
• ZLV Series Design — CNC-machined tooth profile for precise chain engagement
• Hard Anodized Finish — resists corrosion and extends sprocket life
• Bolt-On Replacement — direct OEM-style fitment for straightforward installation
• Manufacturer Part Number: 317ZLV4-45

Vortex Racing is a leading manufacturer of high-performance sprockets, rear sets, and motorcycle accessories trusted by racers and enthusiasts worldwide. The ZLV4 rear sprocket is an excellent upgrade for riders looking to fine-tune their gearing while reducing unsprung weight.