Vortex 840A-49 Aluminum Rear Sprocket 520 Pitch 49 Tooth

The Vortex 840A-49 is a lightweight aluminum racing sprocket that is 100% CNC manufactured in the USA for precision motorcycle applications. Constructed from 7075 T6 billet aluminum, this 49-tooth rear sprocket is designed for 520 pitch chains and delivers exceptional strength while minimizing rotating mass for improved performance.

Key Features:

• Specially formulated alloy per Vortex specifications with silver anodized finish to prevent corrosion
• 100% CNC machined with saber tooth grooves for enhanced chain engagement
• Unique tooth design increases sprocket longevity compared to standard designs
• Reduced rotating weight improves acceleration and overall performance
• Sprocket dimensions: 5 bolt holes (10mm) with 100mm PCD and 76mm center bore
• Vortex patent pending design for superior quality and durability

Vortex parts have been put to the test by some of the world's most respected champions and teams, making this sprocket an excellent choice for both racing and high-performance street applications. The precision CNC manufacturing ensures perfect concentricity for smooth power delivery and extended component life.