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Vortex 177ZB-39 Rear Sprocket Pitch Aluminum Sprockets - 39-Tooth 520

Manufacturer

Picture for manufacturer Vortex

Part Number

177ZB-39
8 reviews
Sale Price

$67.11

Estimated ship date Saturday, November 28

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Vortex 177ZB-39 is a high-performance 39-tooth rear sprocket designed for motorcycle applications requiring precision drivetrain components. Engineered by Vortex Racing — a trusted name in competitive and street motorcycle hardware — this sprocket delivers reliable power transfer and long-lasting durability.

Key Features:

  • 39 Teeth — precise tooth count for optimized gear ratio and acceleration tuning
  • 520 Chain Pitch — compatible with standard 520 series drive chains
  • Lightweight Aluminum Construction — reduces unsprung and rotating mass for improved performance
  • Anodized Finish — provides corrosion resistance and an aggressive appearance
  • Precision CNC Machined — ensures accurate tooth profile for smooth chain engagement and reduced wear
  • Direct OEM-Style Replacement — bolt-on fitment for compatible motorcycle models

The Vortex 177ZB-39 rear sprocket is an excellent choice for riders looking to fine-tune their motorcycle's power delivery, whether for track use or aggressive street riding. Please verify fitment compatibility with your specific make and model before purchase.

Amazing! I scoured the internet for a few days for a hard to find battery. I found it here for a few hundred dollars less & I received it the next day! I was blown away! I will use THMotorsports as a resource from here on! Thank you!

Seamless

Great prices and lighting shipping.

Found what I needed, see how it goes.

NO COMPLAINTS OTHER THAN THE ITEM THIS PART FITS IS VERY POOR DESIGN.

Very helpful and fast response times

Quick and easy

Perfect! Five stars across the board

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