Vortex 125-40 Rear Sprocket 40-Tooth

The Vortex 125-40 is a 40-tooth rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Manufactured by Vortex Racing, a trusted name in powersports drivetrain components, this sprocket delivers the precision, durability, and consistent performance that riders demand on both the street and track.

Key Features:

• 40-tooth rear sprocket for optimized gearing and drive ratio
• Precision CNC-machined from high-quality materials for tight tolerances and long service life
• Direct bolt-on fitment — no modifications required
• Lightweight construction helps reduce unsprung rotating mass
• Compatible with standard chain pitch for the 125 carrier series
• Corrosion-resistant finish for extended durability in all riding conditions

Vortex sprockets are engineered to meet or exceed OEM specifications, making the 125-40 an ideal choice for riders looking to restore worn drivetrain components or fine-tune their gearing setup for specific track or street conditions.