Vortex 427ZRV4-40 VTX Aluminum Rear Sprocket Chain Sprockets - 530 40-Tooth

The Vortex 427ZRV4-40 is a 40-tooth aluminum rear sprocket engineered for serious street and track riders who demand lightweight performance without sacrificing durability. Featuring a 530 chain pitch, this sprocket is a direct-fit, high-performance upgrade over a heavy OEM steel unit.

Key Features:

• 40-Tooth, 530 Chain Pitch — engineered for precise fitment and optimized power delivery
• CNC Machined — 100% CNC manufactured in the U.S.A. to tight tolerances for concentricity and reliability
• Specially Formulated Aluminum Alloy — per Vortex specifications for an ideal balance of strength and reduced rotating mass
• CAT5 Color Anodized Finish — corrosion-resistant anodizing delivers a distinctive look with bright silver highlights
• Vortex Patented Tooth Design — unique tooth geometry increases sprocket longevity and promotes smooth chain engagement
• Lightening Holes — strategically placed cutouts reduce overall rotating mass for improved throttle response and acceleration

The Vortex 427ZRV4-40 rear sprocket is a proven choice for riders looking to fine-tune their gearing, reduce unsprung weight, and add a dose of race-inspired style to their motorcycle's drivetrain.