Vortex 491ZK-49 Black Aluminum Rear Sprocket 49-Tooth

The Vortex 491ZK-49 is a 49-tooth black anodized aluminum rear sprocket precision-engineered for motorcycle performance and durability. Built to Vortex Racing's exacting standards, this sprocket is 100% CNC manufactured in the USA using a specially formulated aluminum alloy, making it significantly lighter than stock steel sprockets while maintaining exceptional strength.

Key Features:

• 49-tooth aluminum construction for reduced rotational mass and improved throttle response
• Black anodized finish provides corrosion resistance and a clean, aggressive appearance
• Vortex patented tooth design increases sprocket longevity and promotes smooth chain engagement
• 100% CNC machined in the USA to precise tolerances for concentricity and quiet operation
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Compatible with Vortex chain and sprocket kits for complete drivetrain upgrades

The 491ZK-49 is an ideal choice for riders looking to fine-tune their motorcycle's final drive ratio for improved low-end acceleration. As part of Vortex Racing's trusted rear sprocket lineup, it delivers the performance and reliability demanded by both street riders and track enthusiasts.