Vortex 316BZK-43 Black 43-Tooth 520-Pitch Steel Rear Sprocket

The Vortex 316BZK-43 is a 43-tooth, 520-pitch steel rear sprocket finished in an electroplated satin black coating for corrosion resistance. Built for street and performance motorcycle applications, this sprocket is manufactured to Vortex's exacting tolerances and is 100% CNC machined in the USA.

Key Features:

• Material: Carbon steel alloy formulated to Vortex specifications for superior strength and durability
• Finish: Electroplated satin black finish resists corrosion and wear
• Tooth Count: 43 teeth
• Chain Pitch: 520
• Construction: 100% CNC manufactured in the USA to precise tolerances
• Tooth Design: Vortex patented tooth profile engineered to increase sprocket longevity
• Profile: Cupped down from the tooth ring to the body to minimize weight without sacrificing strength
• Hardened Teeth: Heat-treated for extended service life under high-stress conditions

Vortex has been manufacturing premium racing drivetrain components since 1995, trusted by professional race teams worldwide. The 316BZK-43 is intended for use with stock 520-pitch chain sizes and is a direct replacement option for riders seeking a durable, performance-focused steel rear sprocket.