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.
Final sale items are not eligible for returns or exchanges.
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I have pcos, so my acne and dark marks from acne can get pretty severe, in one use there was a visible change. It doesn't have an intense fragrance. It doesn't make my skin feel heavy, sticky, or greasy. My skin feels healthier and holds moisture better. It has a good amount of product in each container. I'd say its definitely got a good amount of value for the money.

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Reviewed in the United States on May 5, 2026

Verified Purchase

Jacqueline

Carnegie, US

★★★★★ 5

Good Molecule

I tried their one product once and it was very good, so when I saw the set range - I definitely had to get it. A great set introduction to this line of brand. It’s light, it works and the price bracket is friendly on your wallet.

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Reviewed in the United States on May 11, 2026

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veronique francis

Birmingham, US

★★★★★ 5

Hydrated & Bright: My Good Molecules Review

I recently overhauled my daily skincare routine with a full lineup from Good Molecules, and the results have been nothing short of wonderful. I've been consistently using their cleanser, toner, hyaluronic acid, Wakeup Eye Gel, and daily moisturizer, and my face has completely transformed. Overall, my skin feels incredibly soft, looks noticeably brighter, and stays perfectly moisturized all day long.

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Reviewed in the United States on May 20, 2026

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Dazzmine Bailey

Bozeman, US

★★★★★ 5

Good combo for the price

I have eczema which causes me to have very dry skin. I have been using this for 3 weeks and only had 1 breakout which I don’t think correlated. I did go in with extra moisturizer on top of the moisturizer that is included.

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Reviewed in the United States on March 23, 2026

Verified Purchase

Eschief Childs

Massapequa, US

★★★★★ 5

Great product

Love this product! I've always struggled with acne as a teen and even now that I'm 32. I've tried other products like the more expensive stuff but i see no results and with this I've had success and will continue to use!

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Reviewed in the United States on May 15, 2026