Vortex 775BZR-50 Black 520 Steel Rear Sprocket 50T

The Vortex 775BZR-50 is a 520-pitch steel rear sprocket with 50 teeth featuring a durable black electroplated finish. Engineered by Vortex Racing for street and performance motorcycle applications, this sprocket delivers reliable power transfer and extended service life over aluminum alternatives.

Key Features:

• Chain Pitch: 520
• Tooth Count: 50T
• Material: Laser-cut hardened carbon steel for long-lasting durability
• Finish: Black electroplated satin coating for corrosion resistance
• Weight-Reducing Cutouts: Precision-drilled lightening holes reduce rotating mass for improved throttle response
• Case Hardened Teeth: Hardened tooth profile maintains shape under load for consistent chain engagement
• Extended Lifespan: Outlasts aluminum sprockets under demanding street and track conditions

Vortex Racing manufactures each sprocket to tight tolerances using premium materials, with designs refined through direct feedback from professional race teams. The 775BZR-50 is an ideal replacement or performance upgrade for riders seeking a tough, low-maintenance rear sprocket in a 50-tooth configuration.