Vortex 316BZK-45 CAT5 Black 45-Tooth 520-Pitch Rear Sprocket

The Vortex 316BZK-45 is a CAT5 black anodized aluminum rear sprocket featuring 45 teeth and a 520 chain pitch. Engineered for performance motorcycle applications, this sprocket is 100% CNC manufactured in the USA to exceptionally tight tolerances.

Key Features:

• 45-Tooth / 520-Pitch rear sprocket for precise chain compatibility
• CAT5 construction — CNC manufactured to the tightest tolerances with a unique tooth design
• Black anodized finish — color anodizing excludes the sweeps, mud grooves, and teeth for a flash of color and corrosion resistance
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented tooth design increases sprocket longevity and performance
• Lightweight aluminum construction reduces unsprung weight compared to steel sprockets
• 100% CNC manufactured in the USA

Vortex sprockets have been proven by some of the world's most respected racing champions and teams. The 316BZK-45 delivers the precision fitment and durability demanded by both track and street riders.