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Vortex 251ZB-39 Cat5 Rear Aluminum Sprocket Blue 39t

Manufacturer

Picture for manufacturer Vortex

Part Number

251ZB-39
10 reviews
Sale Price

$69.66

Estimated ship date Wednesday, November 25

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Product Details

The Vortex 251ZB-39 Cat5 Rear Sprocket is a lightweight, high-performance aluminum rear sprocket designed for competitive motorcycle and track use. Finished in a striking anodized blue, this 39-tooth sprocket delivers precise power transfer and reduced rotational mass compared to steel alternatives.

Key Features:

  • 39-Tooth Configuration – Optimized gearing for balanced acceleration and top-speed performance
  • Aircraft-Grade Aluminum Construction – Significantly lighter than steel sprockets, reducing unsprung weight
  • Anodized Blue Finish – Hard-anodized surface for corrosion resistance and a distinctive appearance
  • Cat5 Series – Designed to meet the standards of competitive club and Cat5 class racing
  • Precision CNC Machined – Tight tolerances ensure smooth chain engagement and extended wear life
  • Direct OEM-Style Fitment – Bolt-on installation with no modifications required

Vortex Racing is a trusted name in the motorsports industry, known for producing high-quality drivetrain components used by racers and enthusiasts worldwide. The Cat5 series rear sprocket is an ideal upgrade for riders looking to fine-tune their gearing setup without sacrificing reliability or adding unnecessary weight.

Website did freeze constantly but still was able to place my order

fast and easy to find what i need. Cost beat anyone around and shipping was quick

Easy order I guess I'll see hopefully my part gets here soon

Thanx. Love the payment options

Quick and easy.. Thanks

simple so far

Made shopping easier

Simple and easy to order

I shopped around a little first and Autoplicity had the best price on a wideband sensor and gauge. When I needed a fuel pressure regulator too, I found their price was the best so I ordered both from them. Great prices and fast deliver!

Very fast shipping! I got an email saying it was shipping 2 days after I placed my order, when I checked the tracking it was already delivered to my house! Will shop again.

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