Vortex 253ZB-49 Steel Rear Sprocket Pitch Sprockets - 520 49-Tooth Satin Black

The Vortex 253ZB-49 is a 49-tooth steel rear sprocket designed for motorcycles running a 520 pitch chain. Built to Vortex's exacting standards, this sprocket delivers reliable performance for street riding, trail use, and racing applications where long-term durability is a priority.

Key Features:

• Carbon steel construction — manufactured from carbon steel alloy to Vortex specifications for exceptional strength and wear resistance
• Electro-plated satin black finish — corrosion-resistant coating protects against rust and harsh riding conditions
• Hardened teeth — heat-treated tooth profile maintains shape under load for consistent chain engagement and extended service life
• Weight-reduction cutouts — precision-cut lightening holes reduce rotating mass and improve throttle response
• Patented Vortex tooth geometry — unique tooth profile increases sprocket longevity compared to standard designs
• 520 pitch chain compatibility — designed for use with 520-pitch drive chains
• 49-tooth rear sprocket — higher tooth count for increased low-end torque and acceleration

Vortex Racing is a U.S.-based manufacturer with decades of experience producing precision motorcycle racing components. Each sprocket is manufactured to tight tolerances, making the 253ZB-49 a dependable replacement or performance upgrade over OEM gearing.