Vortex 249AZK-42 Aluminum Rear Sprocket Hard Anodized Sprockets - 42-Tooth

The Vortex 249AZK-42 is a 42-tooth aluminum rear sprocket engineered for performance motorcycle applications. Manufactured by Vortex Racing, this sprocket is part of their AZK series, which combines lightweight aluminum construction with a hard anodized surface treatment for outstanding durability and corrosion resistance.

Key Features:

• 42-Tooth Configuration: Increases rear wheel torque and acceleration compared to stock gearing
• Lightweight Aluminum Construction: Significantly reduces unsprung and rotating mass for improved handling and throttle response
• Hard Anodized Finish: Provides exceptional surface hardness for extended wear life and resistance to corrosion
• Precision CNC Machined: Tight tolerances ensure smooth, quiet chain engagement and consistent power transfer
• Direct OEM Replacement Fitment: Engineered to match OEM bolt patterns and chain pitch for straightforward installation
• Compatible with Standard Chain Pitch: Designed for use with the appropriate chain size for the intended application

The Vortex AZK rear sprocket is a popular upgrade for riders seeking improved acceleration and a reduction in drivetrain weight. Vortex sprockets are manufactured in the USA and are a trusted choice among both track and street riders looking for a high-quality alternative to OEM sprockets.