Vortex 251AKV4-43 Aluminum Rear Sprocket Pitch Hardcoat Sprockets - 43T 520

The Vortex 251AKV4-43 is a 43-tooth, 520-pitch aluminum rear drive sprocket finished in a durable PTFE black hardcoat. CNC-machined in the USA from a specially formulated aluminum alloy, this sprocket delivers the precision and reliability demanded by serious street and track riders.

Key Features:

• 7075 T6 billet aluminum construction — lightweight design reduces rotating mass for improved throttle response
• PTFE black hardcoat finish — bonds to the aluminum surface to create a harder, more durable layer with reduced friction and corrosion resistance
• Vortex patented saber tooth groove design — unique tooth profile extends sprocket service life
• 100% CNC manufactured in the U.S.A. — machined to tight tolerances for precise chain engagement
• 520 pitch — compatible with standard 520 chain setups
• 43 teeth — maintains stock gearing ratio on compatible applications

Vortex Racing has been producing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and Minibike competition for over 15 years. Every sprocket is track-tested with feedback from professional race teams worldwide, ensuring real-world performance you can count on.