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Vortex 251AK-46 Rear Sprocket 46T 520 Black Aluminum

Manufacturer

Picture for manufacturer Vortex

Part Number

251AK-46
11 reviews
Sale Price

$65.41

Estimated ship date Tuesday, November 24

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Product Details

The Vortex 251AK-46 is a 46-tooth rear drive sprocket engineered for performance motorcycle applications requiring a 520 chain conversion. Machined from a specially formulated F5 aluminum alloy developed to Vortex's own specifications, this sprocket delivers an ideal balance of strength and reduced rotating mass—a critical advantage on the track and street alike.

Key Features:

  • 46 Teeth — Rear sprocket position, optimized for 520 chain pitch
  • F5 Aluminum Construction — Lightweight aerospace-grade alloy per Vortex specifications reduces unsprung weight
  • 100% CNC Machined in the USA — Precision manufacturing ensures consistent fit and finish
  • PTFE Black Hardcoat Finish — Increases surface hardness and wear resistance for extended service life
  • Patented Vortex Tooth Profile — Unique tooth geometry promotes smooth chain engagement and maximizes sprocket longevity
  • Color: Black
  • Material: Aluminum
  • Sprocket Size: 520

Designed as a direct-fit 520 conversion sprocket for a wide range of Honda sportbikes, the Vortex 251AK-46 is a popular choice for riders looking to reduce drivetrain weight and optimize gearing. Vortex sprockets are manufactured in the United States and are trusted by racers and enthusiasts worldwide.

Fine

found what i needed cheaper than buying direct

I enjoyed the black Friday discount.

The Amazon checkout makes it really easy!

Quick and easy !

Easy shopping

Bought the Hella Supertones here for at least $5 cheaper than anywhere else online i found and received it in hand less than a week later. would highly recommend

State drop down took a while to load

This part has been discontinued years ago, nice to find one.

quick and easy

I liked the website and it's layout. Very easy to find merchandise. When I called i liked the fact that I was put through to a person right away.

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