Vortex 615BZK-45 Steel Rear Sprocket 45 Tooth 520 Pitch Black Zinc

The Vortex 615BZK-45 is a high-performance steel rear sprocket designed for serious riders who demand reliability and durability. Manufactured by Vortex Racing, a U.S.-based company with over 15 years of experience producing premium motorcycle racing components, this sprocket features a 45-tooth count and 520 pitch configuration.

Key Features:

• 45-tooth rear sprocket with 520 pitch chain compatibility
• Constructed from high-quality laser-cut carbon steel for extended service life
• Case hardened construction with hardened teeth for maximum durability
• Black zinc electroplated finish provides excellent corrosion resistance
• Drilled lightening holes reduce rotational weight without sacrificing strength
• CNC manufactured to the tightest tolerances for precise fitment
• Steel construction offers significantly longer wear life compared to aluminum sprockets

Vortex Racing components are tested on the track with direct feedback from top professional race teams worldwide. Each sprocket is manufactured to exacting specifications using computer-optimized designs that provide higher tensile strength and tougher material through specially controlled heat treatment processes.