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Vortex CK4247 520 Chain and Sprocket Kit with RV3 Chain 16/39 Gearing

Manufacturer

Picture for manufacturer Vortex

Part Number

CK4247
11 reviews
Sale Price

$291.51

Estimated ship date Tuesday, November 24

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Vortex CK4247 is a complete 520 chain and sprocket kit featuring a down-geared front sprocket configuration for improved acceleration. This kit is a ready-to-install solution — no chain cutting or modification is required.

Chain: 520RV3 Series (112 Links)

The 520RV3 chain is manufactured in Japan and features Vortex's dual pocket sealing system, delivering up to 7 times longer wear life compared to standard O-ring chains. The advanced sealing technology reduces friction and heat while retaining lubrication more effectively over the life of the chain. A rivet-type master link is included.

Sprocket Specifications:

  • Front sprocket: 16-tooth chromoly steel, induction hardened with drilled holes to reduce rotating mass
  • Rear sprocket: 39-tooth F5 Hardcoat anodized aluminum for superior durability and reduced unsprung weight
  • Gearing: 16/39 (Vortex Kit) vs. 17/39 (OEM) — one tooth down in front, stock rear

Kit Contents:

  • 1x 520RV3 chain — 112 links
  • 1x 16-tooth steel front sprocket
  • 1x 39-tooth F5 Hardcoat aluminum rear sprocket
  • 1x Rivet-type master link

The 16/39 gearing ratio provides a shorter final drive compared to the stock 17/39 setup, resulting in quicker off-the-line acceleration and stronger mid-range pull. For riders who prefer stock gearing, Vortex also offers GFRA (Go Fast) and WSS (stock gearing) kit variants for a wide range of popular models.

Great price. I hope that the hitch extender quality is as good as the shopping experience>

This is my first purchase from Autoplicity and the experience was very straightforward.

nice and easy

thanks

Being able to pay with Amazon was awesome.

I would have been happier if I could have gotten the price I saw yesterday

So far so good :)

Because they had what I wanted with both cost and shipping price that I was willing to pay for.

Great prices and quick shipping.

Easy, and parts are in stock. Fast shipping. Very satisfied.

Received the spider gears a day late due to weather conditions. Overall great!

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