Vortex 251AZUV4-43 Aluminum Rear Sprocket 43-Tooth Silver

The Vortex 251AZUV4-43 is a 43-tooth aluminum rear sprocket engineered for performance riders who demand lightweight precision without sacrificing durability. Part of Vortex's industry-leading aluminum sprocket lineup, this sprocket is built to reduce rotating mass and deliver sharper throttle response, improved acceleration, and more precise deceleration.

Key Features:

• 100% CNC machined in the USA to tight tolerances for consistent, reliable fitment
• Constructed from specially formulated aluminum alloy per Vortex specifications for maximum strength-to-weight ratio
• Silver anodized finish — electrically coated for a brighter, corrosion-resistant shine
• Saber tooth groove design — unique tooth profile promotes self-cleaning and extends sprocket longevity
• 43-tooth rear sprocket configuration for optimized gear ratio tuning
• Vortex patent-pending sprocket design for performance-proven results
• Available in Black hardcoat PTFE (polytetrafluoroethylene) finish through Vortex, proven to last up to 30% longer

Vortex Racing has been a trusted name in motorcycle and powersports racing components for over 15 years, with sprockets tested and validated by top professional race teams worldwide. The 251AZUV4-43 delivers the same race-proven quality in a bolt-on rear sprocket upgrade.