My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Vortex 251AZK-39 Cat5 Rear Aluminum Sprocket Black 39t

Manufacturer

Picture for manufacturer Vortex

Part Number

251AZK-39
13 reviews
Sale Price

$65.41

Estimated ship date Tuesday, November 24

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Vortex 251AZK-39 Cat5 Rear Aluminum Sprocket is a high-performance replacement rear sprocket designed for riders who demand lightweight durability and precision engineering. Machined from high-grade aluminum, this 39-tooth sprocket delivers an optimal balance of weight savings and strength for street and track applications.

Key Features:

  • Tooth Count: 39 teeth for performance-tuned gearing ratios
  • Material: Lightweight, high-strength aluminum construction
  • Finish: Black anodized for corrosion resistance and a clean, aggressive appearance
  • Series: Cat5 — Vortex's dedicated racing and performance sprocket line
  • Part Number: 251AZK-39
  • Precision CNC machined for consistent tooth profile and chain engagement
  • Direct OEM-style fitment for straightforward installation

Vortex Racing is a well-established manufacturer of motorcycle sprockets, clip-ons, rearsets, and related components trusted by racers and enthusiasts worldwide. The Cat5 series rear sprocket is engineered to reduce unsprung rotational mass while maintaining the structural integrity needed for aggressive riding. The black anodized finish not only enhances aesthetics but also adds a layer of protection against the elements.

Just got to wait and see if it the right part

Best prices on the net

Seem to have great price on what I was looking for.

EZ PZ, This entire transaction went flawlessly, from ordering, to receiving on my doorstep, quicker than had anticipated. I just opened the box today, one day after receiving, just to make sure there was a battery in it. The only thing left to do is install in my F150 and see if it works.

Thank you

Quick and easy ordering especially using Amazon pay option

Good site, good prices, i like the amazon check-out, perfer paypal but amazon works!

Very good so far..Thanks......got the item now and was great...Thanks

I found what I was looking for at the price I wanted to pay. Affordable shipping costs and no need to "bid" on something and wait for a response.

very good!

Easily located the part I needed and easy checkout. Parts delivered rapidly. Great service.

Easy checkout, great price

Best price online for an Injen intake. Arrived in a week. Appreciated the "Item shipped" email with tracking number!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy