KCNC K5 Rectangular Road Rings

Marsoni

M251S

$45.00

Get it in 3 business days with 1 day shipping. Friday, May 29

KCNC K5 Rectangular Road RingsThey call them "rectangular" chainrings, but they are an extreme a symetric ring!! They are certainly not round!! Designed to reduce the effect of the "dead spot" as the crank arms come round top dead centre (12 and 6 o'clock). They can increase power, they can increase efficiency, they can make you pedal smoother! KCNC use what they call an ovality ratio of 1. 225 on the K5 pattern rings, with a bi radial symmetry offset by 88. 3 degrees. 110bcd 39T

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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This engine air filter was a perfect fit for our 2021 Honda Odyssey Elite. Installation was quick and easy, popped right into place with no issues at all. The build quality looks great, and it feels just as solid as the factory filter it replaced. It’s always nice to find a reliable replacement part that fits exactly as it should. We drive a lot of gravel as well and this has held up well to those elements. Great value compared to dealership pricing. Will definitely purchase again when it’s time for the next replacement.

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Reviewed in the United States on February 19, 2026

Verified Purchase

StandUpToTyranny

Los Angeles, US

★★★★★ 5

Great quality and cost effective!

Color: CA12061

My mechanic says this is a great filter. They installed free (30 seconds) whereas Honda wanted $150 plus labor is it to install theirs. 🙄

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on January 29, 2026