Vortex 841AZK-40 Black Aluminum Rear Sprocket 40-Tooth

The Vortex 841AZK-40 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. This 40-tooth sprocket is CNC-manufactured from specially formulated aerospace-grade aluminum alloy to Vortex's exacting specifications, delivering optimal power transfer while reducing rotating mass for improved acceleration and handling.

Key Features:

• 40-tooth aluminum rear sprocket with black anodized finish
• 100% CNC-machined in the USA for precision tolerances
• Specially formulated 7075-T6 aluminum alloy construction
• Black anodized coating prevents corrosion and reduces friction
• Patented tooth design increases sprocket longevity
• Significantly lighter than OEM steel sprockets for reduced rotating mass
• Improves acceleration, deceleration, and directional changes

Vortex Racing sprockets are manufactured to the tightest tolerances in the industry and are tested by professional race teams worldwide. The unique tooth profile design extends sprocket life while maintaining consistent performance. The lightweight aluminum construction allows for quicker throttle response and improved handling characteristics compared to heavier steel sprockets.