Vortex 825AZK-51 Aluminum Rear Sprocket 525 Pitch 51 Tooth

The Vortex 825AZK-51 is a high-performance aluminum rear sprocket designed for sport and street motorcycles. Engineered with Vortex's patented CAT5 rear sprocket design, this 51-tooth sprocket delivers exceptional strength-to-weight ratio while maintaining precise tolerances for optimal chain alignment and power transfer.

Key Features:

• 525 pitch chain compatibility with 51 teeth for improved acceleration and torque
• Aerospace-grade 7075-T6 aluminum construction for maximum strength and minimal weight
• CAT5 design features strategically placed lightening pockets to reduce rotational mass
• CNC-machined from solid aluminum billets to ensure perfect concentricity
• Hard-anodized finish provides superior wear resistance and corrosion protection
• Self-cleaning tooth profile design reduces mud and debris buildup
• Manufactured to OEM tolerances for precise fitment and extended service life

Vortex Racing has been a trusted name in motorcycle racing components since 1995, producing sprockets that meet the demanding requirements of professional race teams worldwide. Each sprocket is precision-machined and rigorously tested to ensure consistent quality and performance.