Onyx Ultra SS Cog

Marsoni

M251S

$71.00

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

Onyx Ultra SS CogOnyx Racing Ultra SS Stainless Cog Proprietary cog made to fit on Onyx OX drivers Broached splines are made exactly the same for every cog, every time. Heat treated stainless steel for durability Cassette Body Type: Onyx Ultra SS Drivetrain Speeds: Single Speed 3 32" Material: Stainless Steel Made in the USA Color: Silver

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Your Onyx Ultra SS Cog orders ship within 1-2 business days.

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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.
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I fortunately discovered this product several years ago, and have since enjoyed using it daily along with the lightweight tinted moisturizer and other items. I do not look "caked", shiny or oily. Perfect make-up for a natural, healthy appearance. Also, I've noticed benefits to my overall skin condition. I highly recommend Jane Iredale makeup, and coming from a 78 year old lady who likes to look good, that is indeed a compliment.

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Reviewed in the United States on December 30, 2023

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DLF

Draper, US

★★★★★ 4

Good foundation prep product

Style: Brightening

I've used this product for a few years. Makeup goes on smoothly and evenly. I have oily skin for an old lady and am prone to breakouts so I don't use this product every day and do wash my face as soon as I get home. If not, I end up with a fresh crop of pimples. My advice is to use it sparingly if your skin breaks out easily.

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Reviewed in the United States on September 15, 2019

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E Jean Graham

Charlottesville, US

★★★★★ 5

Jane Iredale is a must have product line.

Style: Brightening

Feels great on your skin. I have used this product for at least 10 years. Jane Iredale is the product I use.

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Reviewed in the United States on January 29, 2026

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Phoenix, US

★★★★★ 5

This stuff is amazing!

Style: Brightening

I have used this primer for years now. I'd put on a full face of Jane Iredale make-up back in the day, and people would always comment on how great my face looked. Now I use a tinted sunblock with this primer underneath, and it definitely makes a difference in appearance versus when I only wear the sunblock. I live in Texas where it gets HOT & I sweat like crazy, so this primer is much needed. I like the feel of it and its scent.

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Reviewed in the United States on July 23, 2020

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New York, US

★★★★★ 5

Hydrating and face smoothing

Style: Brightening

I keep it in the fridge and just love it! I alternate between this and Bobby Brown face base.

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Reviewed in the United States on November 23, 2025