Vortex 245-45 Aluminum Rear Sprocket Silver 45-Tooth 520

The Vortex 245-45 is a 45-tooth aluminum rear sprocket for 520-pitch chain applications, designed for sport bike and performance motorcycle riders who want to reduce unsprung and rotating mass without sacrificing durability.

Key Features:

• 45-tooth, 520 chain pitch rear sprocket
• 100% CNC machined in the USA to the tightest tolerances in the industry
• Specially formulated aluminum alloy per Vortex Racing specifications for optimal strength-to-weight ratio
• Silver anodized finish applied before cutting for corrosion resistance and the signature two-tone machined look
• Vortex patented tooth design for extended sprocket longevity and consistent chain engagement
• Lightweight construction reduces rotating mass for improved throttle response and rear-wheel power output

Vortex Racing has been producing championship-proven drivetrain components since 1995, with direct testing feedback from top professional race teams worldwide. The 245-45 sprocket is an ideal choice for riders looking to fine-tune their gear ratio for more low-end torque and acceleration.