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 840ZK-51 CAT5 Rear Aluminum Sprocket 51T 530 Chain Black

Manufacturer

Picture for manufacturer Vortex

Part Number

840ZK-51
5 reviews
Sale Price

$69.66

Estimated ship date Sunday, November 22

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 840ZK-51 CAT5 Rear Sprocket delivers precision-engineered performance for sport and racing motorcycles. This 51-tooth rear sprocket is designed for 530 chain applications and features Vortex's distinctive CAT5 construction process.

CAT5 Construction Process:

  • Anodized first in black, then precision CNC machined from 7075-T6 aluminum
  • Creates a distinctive appearance with black finish and silver machined highlights
  • 100% CNC manufactured in the USA to exacting tolerances
  • Specially formulated aluminum alloy per Vortex specifications

Performance Features:

  • Lightweight CAT5 aluminum construction reduces unsprung weight
  • Patented saber tooth groove design increases sprocket longevity
  • Unique tooth profile reduces chain wear and improves power transfer
  • Premium 7075-T6 billet aluminum for maximum strength-to-weight ratio
  • Black anodized finish provides corrosion resistance and distinctive styling

Trusted by professional race teams worldwide, Vortex sprockets are manufactured to the tightest tolerances in the industry. Each CAT5 sprocket undergoes rigorous quality control to ensure consistent performance on track or street. The combination of lightweight construction and increased durability makes this sprocket an ideal choice for racers and performance-oriented riders.

Great service and quick delivery

Great

This was the first time I had ordered from Boatplicity, not having come across them in my previous searches for gear. As what I was looking for was a brand name product I selected purely based on price. The purchase process went seamlessly and the two items I bought showed up within a day of each other, both well within the delivery date promised. The items were well packaged and arrived undamaged, and were exactly as I had ordered and expected.

Very easy

Great job

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