Vortex 826AV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 826AV4-45 is a high-performance 45-tooth aluminum rear sprocket from Vortex Racing's VTX series. Precision CNC-machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers an optimal balance of strength and weight savings over a stock steel sprocket — making it a popular choice for sport bike and track day riders seeking improved acceleration and reduced unsprung rotating mass.

Vortex sprockets are manufactured to tight tolerances, ensuring smooth, consistent chain engagement and long service life when paired with a quality drive chain. The hard-anodized finish resists corrosion and wear while giving the sprocket a clean, aggressive appearance.

Key Features:

• 45 teeth — performance-tuned gearing for improved acceleration
• CNC-machined from 7075-T6 aluminum alloy for maximum strength-to-weight ratio
• AV4 bolt pattern — engineered for precise fitment
• Hard-anodized finish for corrosion and wear resistance
• Manufactured by Vortex Racing, a trusted name in motorsport drivetrain components
• Replaces OEM steel sprocket with significant weight savings

The Vortex VTX series rear sprocket is an excellent upgrade for riders looking to fine-tune their gearing ratio for the track or street. Always replace the drive chain when installing a new sprocket for optimal performance and longevity.