Vortex 151ZB-31 Steel Rear Sprocket 31-Tooth Black

The Vortex 151ZB-31 is a 31-tooth steel rear sprocket designed as a direct OEM-style replacement or performance upgrade for compatible motorcycles. Manufactured by Vortex Racing, a trusted name in powersports drivetrain components, this sprocket is built to deliver reliable power transfer and long-lasting durability.

Key Features:

• 31-Tooth configuration for optimized gearing and acceleration response
• Steel construction provides superior strength and extended service life compared to aluminum alternatives
• Black finish for a clean, aggressive appearance and added corrosion resistance
• Precision CNC machined for consistent tooth geometry and smooth chain engagement
• Direct bolt-on fitment — no modifications required for compatible applications
• Compatible with standard motorcycle drive chains for the appropriate pitch

Vortex sprockets are a popular choice among both street riders and track enthusiasts who demand precision-engineered drivetrain components. The 151ZB-31 is an excellent option for those looking to maintain or fine-tune their motorcycle's gearing ratio with a quality steel rear sprocket.