Vortex 144BZK-52 Black Anodized 52-Tooth Aluminum Rear Sprocket 525 Pitch

The Vortex 144BZK-52 is a 52-tooth aluminum rear sprocket designed for motorcycles using a 525 pitch chain. Built by Vortex Racing — a U.S.-based manufacturer dedicated exclusively to high-performance motorcycle racing components — this sprocket is engineered to deliver measurable performance gains on the street and track.

Constructed from a specially formulated aluminum alloy per Vortex's own specifications, the sprocket is 100% CNC machined in the USA for exceptional dimensional accuracy and consistency. The black anodized finish provides corrosion resistance and a clean, aggressive appearance, while Vortex's patented tooth profile promotes even chain wear and extends sprocket service life beyond conventional designs.

Key Features:

• 52-tooth rear sprocket for 525 pitch chain
• Lightweight CNC-machined aluminum construction reduces rotating mass
• Specially formulated alloy per Vortex specifications
• Black anodized finish for corrosion resistance
• Vortex patented tooth design for increased sprocket longevity
• 100% CNC manufactured in the USA
• Reduces rotating mass to improve acceleration, deceleration, and throttle response

The 144BZK-52 is part of Vortex Racing's lineup of performance rear sprockets, trusted by professional race teams and enthusiasts worldwide. Whether used for track days or aggressive street riding, this sprocket delivers the precision and durability expected from a dedicated racing component manufacturer.