Vortex 801AZB-51 520 Rear Sprocket 51-Tooth Black Aluminum

The Vortex 801AZB-51 is a 51-tooth, 520-pitch aluminum rear sprocket finished in a hard-anodized black with signature silver machined highlights. Precision-engineered for motorcycle and powersports applications, this sprocket delivers the performance and durability that Vortex Racing is known for.

Key Features:

• 7075 T6 Aluminum Construction: CNC machined from aerospace-grade 7075 T6 aluminum for an exceptional strength-to-weight ratio
• Hard-Anodized Black Finish with Silver Accents: Anodized before machining to produce a durable black base with bright silver highlights on the tooth faces
• Lightening Holes: Strategically placed cutouts reduce rotating mass, improving throttle response and acceleration
• 520 Chain Pitch: Compatible with standard 520-pitch chains for broad motorcycle and ATV fitment
• 51 Teeth: Higher tooth count for improved low-end torque and reduced top-speed, ideal for trail, off-road, or aggressive street riding
• Precision CNC Machined: Manufactured to tight tolerances for concentricity, smooth chain engagement, and quiet operation
• USA Manufactured: Vortex Racing has been producing top-quality race components in the United States since 1995

Vortex rear sprockets are trusted by professional racing teams and competitive riders across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 801AZB-51 is an excellent upgrade or direct replacement for riders looking to fine-tune gear ratios or refresh their drivetrain with a premium component.