Vortex 251KV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 251KV4-45 is a 45-tooth aluminum rear sprocket from Vortex's VTX series, engineered for performance-oriented motorcycle applications. Manufactured from lightweight, high-strength aluminum alloy with a hard anodized finish, this sprocket delivers an ideal balance of reduced rotating mass and long-lasting durability on the street or track.

Key Features:

• 45-tooth rear sprocket for optimized acceleration and gear ratio tuning
• Precision-machined from high-strength aluminum alloy for significant weight savings over steel
• Hard anodized finish for corrosion resistance and extended service life
• CNC machined to exact OEM tolerances for precise fitment and smooth chain engagement
• Lightening cuts and pocketing reduce overall sprocket weight without sacrificing strength
• Direct OEM replacement with no modifications required
• Compatible with standard chain pitches for the intended application

Vortex sprockets are a popular upgrade among sport bike and street riders looking to fine-tune their drivetrain gearing. The VTX aluminum rear sprocket is a direct bolt-on replacement, making installation straightforward. Part number 251KV4-45 — always verify fitment with your specific make, model, and year before ordering.