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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I bought it because it looks good in the photos, but the fabric is very thin—you can almost see right through to your back. While that wouldn't be a problem if you have an athletic build, if you're like me—that is, average—I wouldn't recommend it. The fabric is very thin and not of particularly high quality. It might be worth it for the price, but again, the material is thin.

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Reviewed in the United States on April 14, 2026

Verified Purchase

zohairmalik

Grantham, US

★★★★★ 5

Awsome

Good fabric, non itchy, decent fitting and perfect size overall very good for formal or party wear

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 24, 2026