Vortex 720FZR-55 Rear Sprocket 55-Tooth 520 Pitch

The Vortex 720FZR-55 is a high-performance rear sprocket featuring a 55-tooth count designed for motorcycle applications requiring a 520-pitch chain. Engineered by Vortex Racing, this sprocket is crafted from lightweight, hard-anodized aluminum alloy for an optimal balance of durability and weight savings over stock steel counterparts.

Key Features:

• 55-Tooth rear sprocket for increased low-end torque and acceleration
• 520 Pitch chain compatibility
• Lightweight hard-anodized aluminum construction resists corrosion and wear
• CNC-machined to precise tolerances for smooth, consistent chain engagement
• Direct OEM-style bolt-on fitment — no modifications required
• Available in a range of tooth counts to fine-tune gearing for track or street use

Upgrading to the Vortex 720FZR-55 rear sprocket is a simple and effective way to alter your motorcycle's final drive ratio, improving acceleration and responsiveness. The hard-anodized finish extends service life while keeping overall rotating mass low for sharper throttle response.